Attempts within Republicanism to mount an anti-Trump campaign appear unlikely to succeed - the party has been hijacked by its own members. REUTERS/Randall Hill

Stephen Colbert, host of the US’s Late Show, a mix of chat and satire, the other night warned his audience that Donald Trump might actually w(...)

Republican frontrunner Donald Trump told a campaign rally in Tennessee that he would “build a big, beautiful safe zone” inside Syria where people could find refuge.  Photograph: Wade Payne/AP

More than half of America’s states are refusing to accept Syrian refugees in the wake of the Paris attacks as Republican presidential contenders propo(...)

 Jeb Bush (left) listens as senator Marco Rubio makes a point at the 2016 US Republican presidential candidates debate held by CNBC in Boulder, Colorado, October 28th, 2015. Photograph: Rick Wilking/Reuters

Withering put-downs and sharp exchanges dominated the third Republican presidential debate as the one-time frontrunner Jeb Bush came off worst on a(...)

Republican presidential hopefuls Ben Carson and Donald Trump: a poll on Tuesday show Carson with a 26 to 22 per cent lead over Trump nationally in the race for the party’s candidacy. Photograph: Frederic J Brown/AFP/Getty Images

It’s first-time candidates Ben Carson and Donald Trump versus everyone else tonight, as the Republican Party has its third debate (8pm eastern time; (...)

Republican presidential hopefuls Donald Trump (left) and Jeb Bush high five during the Republican presidential debate at the Ronald Reagan Presidential Library in Simi Valley, California. Photograph: Frederic J Brown/AFP/Getty Images

Republican frontrunner Donald Trump drew fire from rivals during the party’s second presidential debate over his campaign insults with Carly Fiorina, (...)

US president Barack Obama. Photograph: Joshua Roberts/Reuters

Marking Labour Day in the US, president Barack Obama signed an executive order providing up to seven days-a-year of paid sick leave to contractors who(...)

Republican presidential candidate Donald Trump: both the Republican establishment and the punditocracy have been shocked by his continuing appeal to the party’s base. Photograph: Jason Davis/Getty Images

There are many things we should remember about the events of late August and early September 2005 and the political fallout shouldn’t be near the top (...)

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(...)

Republican presidential candidates from left, Chris Christie, Marco Rubio, Ben Carson, Scott Walker, Donald Trump, Jeb Bush, Mike Huckabee, Ted Cruz, Rand Paul, and John Kasich take the stage for the first Republican presidential debate at the Quicken Loans Arena, Thursday, August 6th, 2015, in Cleveland. Photograph: AP Photo/Andrew Harnik

“Authenticity”. That’s the magic ingredient, the sprinkling of gold dust, that every pol’ needs in this age of disillusionment with politics and polit(...)

Donald Trump and Jeb Bush participate in a debate of ten leading Republican presidential hopefuls at the Quicken Loans Arena in Cleveland. Photograph: Doug Mills/The New York Times

The first question to Chris Christie was about the nine credit downgrades that New Jersey had suffered since he became its governor. Ben Carson was(...)