Super Tuesday is here.
The biggest day of voting in both the Republican and Democratic presidential nomination contests kicked off early Tuesday, with primaries and caucuses scheduled in 12 states across the country. Republican frontrunner Donald Trump appears headed for a Super Tuesday romp, with main question being just how many states he wins and by what margins. On the Democratic side, Hillary Clinton is expected to pull further away from rival Bernie Sanders.
Watch the action live above all day, starting with scenes from the polls and followed this evening by scheduled rallies for Trump, Clinton and their rivals. And read about the 5 things to watch for on Super Tuesday here.