Will Trump be the Republican nominee? The deep pockets of the Republican establishment say no, but Trump refused to rule out a third-party run.
Democrat sheriff Barack Obama and his Republican foes have been on the brink many times but the final two days are bizarre and unpredictable.
Due to lawmakers' inability to reach a budget deal for the fiscal year, the US government's shutdown will cut back on services.
Barack Obama has been bent on opening a pathway to citizenship for foreigners, even illegal ones.
Republicans feel snubbed by the US president's combative inauguration speech. Ewen MacAskill reports.
Republican senators have opened the way for a new showdown with United States President Barack Obama.
Democrats of all stripes and colours rallied behind Barack Obama. Hard-line Republicans betrayed Mitt Romney. And so he lost.
Studies show that Americans believe the economy is important, but they largely still vote according to race and class. Gary Younge reports.
Mitt Romney charged ahead with his economic arguments in spite of unemployment dropping to its lowest level since President Barack Obama took office.
The Republican party has made it almost impossible for millions of black and Hispanic Americans to get the IDs they need to vote in November.
When it came to the biggest decision of his run Romney defied his stereotype as cautious politician eager to please an audience he's speaking to.
The US vice-presidential candidate has denied he profited from a 2008 meeting with the Federal Reserve chair Ben Bernanke.
Organised labour has learnt a valuable lesson in its challenge against Wisconsin's Republican governor Scott Walker, writes Gary Younge.
Mitt Romney is in the midst of a bruising, costly campaign to oust Barack but one expert has long said the Republican's efforts are for naught.
Barack Obama has proposed a $3.8-trillion budget brimming with populist tax hikes on the rich and jobs spending designed to outmanoeuvre Republicans.
Many US Republicans may have growing concerns about their presidential front-runner Mitt Romney but no one is pushing the panic button -- yet.
Mitt Romney stormed towards a likely Tuesday victory in Florida that would make him strong favourite for the Republican presidential nomination.
US lawmakers have abandoned efforts to rein in debt in a sign that Washington will be unlikely to resolve the tax and spending dispute before 2013.
Tim Pawlenty has dropped out of the 2012 US presidential race -- a day after a disappointing showing in an early test of strength among his party.