The four Republicans are locked in a tight battle to become establishment wing's standard bearer, and they're crowding each other out, which gives Trump the space to pull far ahead.

Republican presidential front-runner Donald Trump's relentless recent attacks on Ted Cruz, his closest rival for the primary nomination, appear to be paying off in the Hawkeye State.

Orlando attorney Fred Leonhardt, 65, died on October 10, of intoxication of ethyl chloride, a chemical developed for industrial and medical uses but is known as a frequent inhalant.

Graham is seen as a puckish war hawk, a combination of qualities that served him poorly in his brief run for the presidency. Now he's on team 'Jeb!'

Jimmy Kimmel parodied Trump's Freedom Kids, with a less-than-rousing performance by a trio of girls (with Vanessa Hudgens) who sang of Bush's sad showing at the polls.

The Donald took questions from reporters at a Las Vegas casino before taking the stage at the Outdoor Sportsman Awards. Earlier in the day he said Jeb's campaign 'is in the toilet.'

While Ted Cruz has been the main target on Donald Trump's radar in recent days, today Trump took some time to rib an old favorite: Jeb Bush. 'He should go home and relax!' Trump suggested.

'Cruz is going down. He's like a nervous wreck. He's going down,' The Donald said during a Las Vegas rally. He also hammered a CNN analyst who said if Trump didn't win Iowa by 10, it would be a loss.

Former First Lady Barbara Bush is dipping back into the national spotlight on behalf of her son, presidential candidate Jeb Bush, whose candidacy she once famously opposed.

Ted Cruz blasted out a 'Monty Python's Holy Grail' clip showing 'Brave Sir Robin' chickening out ,while Rand Paul snarked that 'the IQ of the debate went up a couple dozen points.'

Republican presidential candidate Jeb Bush on Tuesday appeared to question GOP front-runner Donald Trump's Christian faith, although his campaign later backpedaled

Republican presidential hopeful Jeb Bush is planning to ditch the frozen cornfields of Iowa for - hopefully - sunnier skies in New Hampshire even before Iowans caucus next Monday.

Despite spending money hand over fist Bush had a paltry 5,238 voters show up for him last night and earned three percent of the vote. He's looking to New Hampshire to save his campaign.

The last desperate search for voters to back their causes was under way in Iowa - with the man trolled by Donald Trump as 'low-energy' apparently offering $25 an hour to come to his final campaign rally.

Former Florida Gov. Jeb Bush tried to pull off a real barn burner of a speech in New Hampshire and when it didn't stick he informed the audience that it was time for applause. 'Please clap,' he said.

After a second-place finish in the Iowa caucuses, Donald Trump is poised to bounce back with a crushing victory in the New Hampshire primary.

'I'd go through a process and get it declassified [as torture], frankly ... certainly waterboarding at a minimum,' the Republican presidential front-runner said.

The Republican National Committee, Trump alleged, 'told us we have all donors in the audience. And the reason they're not loving me is I don't want their money.'

We cannot afford to lose to Hillary Clinton. You need someone who is tough enough, tested enough, mature enough and ready enough, the New Jersey governor said of Rubio's soundbite campaign.

An eagle-eyed photographer snapped the scruffy shoe while the former Florida governor and Republican candidate attended a campaign town hall meeting in Nashua, New Hampshire.

'Here's the story on Jeb,' Trump said of the former Florida governor on MSNBC's 'Morning Joe' program. 'He's a stiff who you wouldn't hire in private enterprise, okay? This is a stiff.'

Donald Trump doesn't need much of a push to dole out colorful adjectives about his rivals so he happily played a game of word association this morning on Morning Joe.

Jeb Bush may have breathed a sigh of relief last night, having come in fourth place in the first-in-the-nation New Hampshire primary, but his pocketbook is probably hurting.

'We will be worse off than we are now,' Bush warned of a Trump presidency during a South Carolina rally. 'And we are pretty bad off right now.'

Donald Trump is at an all-time high in Republican support following his victory in the New Hampshire primary. The second-place finisher John Kasich is 40 points behind him in a new poll.

Donald Trump turned on the former Florida governor during Saturday night's Republican presidential debate in Greenville, South Carolina, attacking his brother George W Bush,

The Trump clan were pictured front and center during tonight's Republican debate in Greenville South Carolina lending their support as he took on his Republican rivals.

While some suggested that last night's messy GOP debate was a win for the Democrats, Donald Trump said he knew who the real winner was – and it was him. Trump called it his 'best performance.'

The figures released on Sunday signal a steady climb in interest in the Republican field's stand-offs - though still short of the 15 million who tuned in to the Las Vegas debate in early December.

Kate McKinnon took on Clinton impersonating duties to sing Bonnie Raitt's I Can't Make You Love Me as a group of friends considered switching their allegiance to Bernie Sanders.

The six-way shouting fest saw Donald Trump tell Jeb Bush his brother, former president George W Bush, was responsible for 9/11 and had Ted Cruz yelling at Marco Rubio in Spanish.

Former President George W. Bush lent his brother's campaign a jolt of energy at a rally tonight in North Charleston, South Carolina, using humor to punctuate his pitch for Jeb Bush.

Jeb Bush again threw out a theory as to why he's become Donald Trump's favorite punching bag of the Republican field. 'It's because he fears me,' Bush said on CBS This Morning.

The former Florida governor was likely trying to encourage others to participate, but the gesture generated immediate comparisons to his older brother's 'Bushisms'

Jeb Bush has been struggling with internet pranksters today, with a botched Tweet and a website squatter frustrating his attempts to woo South Carolina voters during a key part of his campaign.

Just one day after Sen. Ted Cruz christened himself the 'new national front runner,' two new polls show that it's Donald Trump who remains the commanding leader of the Republican field.

The Republican race is down to five candidates as Bush bails and The Donald stays firmly on top with two wins under his belt.

Jeb Bush's journey to the White House officially stopped tonight in South Carolina. The former Florida governor told supporters the news at his headquarters in Columbia.

In his first interviews since his big South Carolina win, Donald Trump was asked if he thought the nomination was in sight. 'Certainly no one's unstoppable,' Trump said.

Mitt Romney is preparing to endorse Florida Senator Marco Rubio for the Republican presidential nominee. Two Republican sources confirmed the Romney endorsement.

Watch Marco Rubio as a robot, Hillary Clinton become an assassin for Goldman-Sachs and Donald Trump be a tricky fighter in 'The Debateful Eight,' a short animated Simpsons skit.

The failed Republican presidential candidate spent the extraordinary sum between his campaign and his Right to Rise super PAC. Other candidates are spending big too - but not Trump.

Jeb Bush says he won't vote for Donald Trump in November. 'Donald Trump has not demonstrated that temperament or strength of character,' Bush wrote.

Donald Trump also insisted in Friday that he's still 'self-funding' his presidential campaign even as he prepares to raise cash from big donors and the public for a final November push against Hillary Clinton.

Donald Trump brought back up the Republican Party's loyalty pledge in the wake of at least two former rivals saying they don't plan to support him – Jeb Bush and Lindsey Graham.

Jeb Bush has likened Donald Trump's infamous taco Tweet to outright racism in one of his first interviews since he stepped down from the presidential race.

Jeb Bush's son, George Prescott (pictured), has broken the family line and publicly endorsed Donald Trump as the Republican nominee during an event in Texas.

Labour leadership contender Owen Smith has warned he will use parliament to try to block us from leaving the EU if he takes charge of the party.

Failed Republican presidential candidate Jeb Bush made a surprise appearance at the Emmys, appearing as Julia Louis-Dreyfus's limo driver in the cold open.

Jeb Bush has denied any involvement with ex-MI6 agent Christopher Steele, the British man behind the Trump 'dirty dossier'.