On Saturday, South Carolina became the fourth US state to join the race to find a Democrat to take on Republican Donald Trump in November's general election. Who were the big winners and losers?
Bernie Sanders bore the brunt of the attacks during a cacophonous Democratic presidential debate that highlighted his rivals’ anxiety over a self-described democratic socialist possibly facing President Trump in November.
Analysis: The Vermont senator's victory in Nevada should strike fear in the hearts of his rivals and critics, with his electorate reflecting a cross-section of the party.
The situation was reminiscent of the Iowa caucus on Feb. 3, when both Buttigieg and Sanders declared victory based on internal data. That result is still in dispute.
Russia interfered in the 2016 election in an attempt to boost Trump to victory. The interference led to Special Counsel Robert Mueller's investigation.
'Governments that use the enormous power of law enforcement to punish their enemies and reward their allies are not constitutional republics; they are autocracies'
US President Donald Trump has tweeted he has "the legal right" to intervene in criminal cases after his attorney general complained White House tweets were making his job "impossible".
It doesn’t matter that Jones is a Democrat and Romney is a Republican. What matters to the left is they belong to the anti-Trump camp and what matters to the right is they don’t belong to them.