Despite criticism from Republicans, the businessman is standing by his idea

Pro-choice activists say ‘hateful rhetoric’ over secret videos has increased violent threats

Most analysts still insist that Trump’s lead in the Republican field will pass as the race gets more serious. But he has undoubtedly transformed the nature of the election debate

Trump likened Carson to a child molester during 95-minute rant in Iowa

Former Republican frontrunner performs more confidently in party’s fourth debate

Candidates spar over businessman’s proposal to deport millions of illegal immigrants

Why are Republicans much more inclined to boast about their ability to deliver growth?

Party’s one-time frontrunner slips as challenge on Marco Rubio comes undone

Tonight’s presidential debate a key moment for trailing candidates – especially Jeb Bush

Retired neurosurgeon places first ahead of billionaire businessman in national survey

Republican presidential frontrunner changes tack, saying migrants could be extremists

Exit to see potential gain for Cruz, Huckabee and Rubio as Walker struggles to fund campaign

Former HP chief Carly Fiorina shines brightest, dismisses Trump remarks on her looks

Presidential candidates show television does not come easily to them

Fiorina delivered the most forceful denunciation of Donald Trump’s ‘sexist’ comments

Republican candidate crititicised for comments about Fox News anchor Megyn Kelly

Businessman went ‘too far’ when discussing questioning from Fox News’s Megyn Kelly

Property mogul refuses to rule out independent bid, bristles questions on misogyny

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

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