Donald Trump has risen to probable nominee status through an extraordinary ability to tap into the deep fears and anxieties of millions of Americans.
The impact of a Trump presidency is basically unknown. No serious candidate in the post-second world war period has been so unclear in their attitude to foreign policy.
A young Bernie Sanders supporter wears his heart on his sleeve.
Our global newsroom responds to the Super Tuesday primary results in the race for the Republican and Democratic presidential nominees.
So far, Senator Elizabeth Warren (D-MA) has refused to endorse a candidate.
Neither Democratic candidate for president has gotten the endorsement of Massachusetts' junior senator. Here's a look at Elizabeth Warren's long game playbook.
“There must be some Americans around here somewhere.”
If more Democrats living abroad had voted in 2000, Al Gore might have become president.
Could he soon start flagging?
Trump doesn't have it in the bag yet, but there are still ways he can triumph.
Sanders arrives in South Carolina.
Sanders can't win the South without the support of black voters, and he doesn't have that.
Voters elect delegates who pledge support to a particular candidate.
Super Tuesday is billed as the most important day for any US presidential nomination contest, and this year it’s more fascinating than ever. Fewer states are voting than usual and the Republican party…