Party risks losing Latino support as Trump’s rivals seek to match his hardline stance

For years, the US has been dragging its heels, and worse, on the most important challenge facing humanity

Republican candidate crititicised for comments about Fox News anchor Megyn Kelly

Frank Brunit: ‘Trump was unmasked as the unprincipled, naked egomaniac that he is’

Property mogul boasts about not preparing for first debate with rival presidential candidates

The race for the White House is already in full flight, with 16 Republicans seeking to run. But can any of them win?

Trump reveals US Senator Lindsey Graham’s private number during campaign rally

Republican presidential contender attacked over remarks on senator’s Vietnam capture

President vows to veto any bid to derail agreement, warns of ‘more war’ without it

Rebellion required within Obama’s own party to kill off one of their president’s landmark achievements seems unlikely

Shootings at Charleston church blows up storm about flying the Confederate flag

South Carolina senator is party’s seventh presidential candidate in fast-growing field

Likely presidential contenders warn about leaving Tehran with nuclear capabilities

Firebrand Texas senator and Tea Party activist first to declare in White House race

Analysis: Obama’s counterterrorism strategy questioned as regional tensions rise

Members of Bowe Bergdahl’s former unit, call for serious punishment

While Merkel has faith in sanctions, others see arms as more persuasive

Biden takes selfies with teens while Boehner forces smiles with Republican rebels

Western powers say accord can be reached by March but more time needed for details

Leading Republican Mike McCaul calls Isis ‘worst threat to the US since 9/11’

Members of Congress support air strikes but Republicans question Obama’s long-term strategy

US soldiers to be deployed around embassy in Baghdad as Isis gets closer to capital

Gilmore pushes case in Washington for Irish immigrants in febrile election season

Prospect of unthinkable co-operation has split two of most hawkish Republicans

Bigoted views of folk hero Cliven Bundy proves embarrassing for Republicans

Leaders discuss diplomatic proposal as US warns Russia to pull back troops, says White House

US president’s climbdown on Syria hangs over his strategy on Ukraine

Detainees freed by Karzai government have Afghan and American blood on their hands, says Washington

Comments a setback for Irish immigration advocates

Yasser Abed Rabbo says ‘worthless’ US-brokered plan is biased towards Israel and restricts Palestinian sovereignty

The deal that reopened the government has the potential for new conflict next year

Cost to Republicans may be accrued in next year’s midterm congressional elections

Republican leaders concede defeat in healthcare legislation battle

Republican senators claim deal to extend debt limit unlikely by Thursday deadline

UN’s Ban casts doubt on legality of US plans for Syria strike

Move comes as UN says two million Syrians are now refugees and US and France push for military action

Nato said yesterday it would not get involved in military conflict in Syria

Experts take samples from corpses as Western powers consider military strikes

Egyptian interim vice-president says protesters must understand ‘there is no way back’ to the situation before Morsi ousted

Details of draft legislation show anyone who arrived after December 31st 2011 may be excluded from making application