Las Vegas February 20, 2020 5:53 pm Democratic Presidential Candidates Turn on One Another in Debate The Democratic presidential candidates turned on each other Thursday in what was a fiery debate in Las Vegas. So where does the race stand now, days before the Nevada caucus? US & World Videos 3:32 Biden on campus protests: ‘Order must prevail' 24:50 @Issue: Biden signs the foreign aid bill, and a retrospective of Boston's 2024 Olympics bid 2:15 Opening statements made, witnesses called in hush money trial against Donald Trump 24:46 @Issue: Trump “hush money” trial underway 2:08 Boston announces first chief climate officer