US secretary of state John Kerry on his way out of the Elysee Palace: welcomed the agreement. Photograph: AFP/Getty Images

US vice-president Joe Biden led the Obama administration’s praise of the Northern Ireland political agreement, saying that he was “glad” to see a deal(...)

US President Barack Obama flanked by vice-president Joe Biden, delivers a statement on the Keystone XL pipeline, at the White House. Photograph: Jonathan Ernst/Reuters

President Barack Obama has rejected the Keystone XL pipeline, ending seven years of deliberations on a project that pitted the oil industry and Republ(...)

Mayor Annise Parker of Houston. “I absolutely fear there will be a direct economic backlash.” Photograph:  Jemal Countess/Getty Images

Houston voters soundly rejected the city’s embattled equal rights law on Tuesday in one of the most heated local political contests in recent memory. (...)

Democratic presidential candidate Senator Bernie Sanders: says he plans to deliver a “major speech” on his political philosophy. “We have some explaining and work to do.” Photograph: Gary Cameron/Reuters

When German social theorist Werner Sombart asked in his 1906 essay Why Is There No Socialism in America?, he reached the same conclusion his compatrio(...)

“Refraining from partaking in the petty squabbling among the committee, she appeared statesman-like, presidential even.”Photograph: Somodevilla/Getty Images

Two events in as many days have, to all intents and purposes, handed Hillary Clinton the 2016 Democratic presidential nomination. The decision of Vice(...)

US Democratic presidential candidate Hillary Clinton testifies before the House Select Committee on Benghazi. Photograph: Jonathan Ernst/Reuters

Former secretary of state Hillary Clinton defended her handling of the security at the US diplomatic outpost in the Libyan city of Benghazi where four(...)

US vice-president Joe Biden, with president Barack Obama and his wife Jill, as he announces that he will not seek the 2016 Democratic presidential nomination at the White House in Washington. Photograph: Carlos Barria/Reuters

US vice-president Joe Biden has ruled out a third presidential bid, saying that the opportunity to mount a realistic campaign had passed. The decision(...)

US Democratic presidential candidate Hillary Clinton at a campaign meeting in Keene, New Hampshire. Photograph: Brian Snyder/Reuters

Hillary Clinton is wrong about the Benghazi committee. It’s not the longest-running special congressional investigation ever, as her campaign tweeted.(...)

There had been a sense that Hillary Clinton’s campaign for the Democratic presidential nomination had been drifting. A weariness with a candidate who (...)

Democratic presidential candidates Bernie Sanders and Hillary Clinton share a joke in Tuesday’s presidential debate in Las Vegas. Photograph: Joe Raedle/Getty Images

The first debate in the race to win the US Democratic presidential nomination confirmed two things: that Hillary Clinton is the strongest candidate an(...)