Donald Trump speaks at a campaign event in Rochester, New Hampshire. Photograph: Ian Thomas Jansen-Lonnquist/The New York Times

Donald Trump dodged a question at a campaign event on Thursday night from a man in New Hampshire who stated that Barack Obama is a Muslim and “not eve(...)

Republican presidential candidates Donald Trump and Jeb Bush participate in the first Republican presidential debate in Cleveland on Sunday. Bush has chosen to attack Trump as a false conservative. Photograph: Andrew Harnik/AP Photo

So Jeb Bush is finally going after Donald Trump. Over the past couple of weeks the man who was supposed to be the frontrunner has made a series of att(...)

US  presidential candidate Donald Trump at Manhattan Supreme Court in New York on Monday, where he appeared for jurty duty. Trump’s  hard line on immigration has driven rivals to match his biting anti-immigrant language. Photograph: Lucas Jackson/Reuters

Republicans thought they had learned a lesson after 2012: Turning off Latino voters ensures defeat in the general election. But as the disruptive US p(...)

 US president Barack Obama: his signature healthcare policy was mentioned nine times during  last week’s prime-time Republican debate. Photograph: Mark Wilson/Getty Images

What did the men who would be president talk about during last week’s prime-time Republican debate? Well, there were 19 references to God, while the e(...)

 Donald Trump  announces his candidacy for the US presidency at Trump Tower  in New York City. Mr Trump is the 12th Republican who has announced running for the White House. Photograph: Christopher Gregory/Getty Images

Canadian rock veteran Neil Young has continued a American tradition of recording artists asking Republican candidates to stop playing their music afte(...)

Jeb Bush: though he is more apt to do his homework, he’s unformed on foreign policy, like his brother – except that his brother was elected before 9/11. Photograph: Jabin Botsford/New York Times

James Baker can take credit for two presidencies and one vice-presidency in the Bush family. So it’s a tad ungracious for a Bush to take Baker to task(...)

 Mitt Romney and former Florida governor Jeb Bush (L) pose for a photograph together. Mr Romney has said he will not contest the 2016 presidential campaign. Photograph: Brian Snyder/Reuters/Files.

US Republican Mitt Romney, the two-time presidential candidate, has passed on a third attempt after briefly flirting with another bid, bolstering the (...)

Mitt Romney, the Republican nominee in the 2012 US presidential election, told donors that he is considering seeking the GOP candidacy for 2016. File photograph: Jim Young/Reuters

It’s only the second week in January in a non-election year and 22 months until the next US presidential ballot but already the challengers for the Re(...)

Eyes will be fixed on new senate majority leader Mitch McConnell (above) and House of Representatives speaker John Boehner to see if they can quell rebellious conservatives within their party. Photograph: Stephen Crowley/The New York Times

Republicans take control of Congress today for the first time since 2006. The new legislative session starts with the controversial Keystone oil pi(...)

US house speaker John Boehner (centre) after the passage of the $1.1 trillion spending bill in the House of Representatives. Photograph: Jonathan Ernst/Reuters

The narrow passage of a budget in the US House of Representatives to keep the government open came at a price for liberal Democrats but concessions (...)