Super Tuesday is here, and as the presidential race goes national, Hillary Clinton and Donald Trump are hoping to put themselves way ahead. Ted Cruz and Marco Rubio need strong turnouts to show they can fight Trump over the long-term. And Bernie Sanders hopes to stem Clinton’s momentum with a few wins of his own.

Voters of both parties in Alabama, Arkansas, Georgia, Massachusetts, Minnesota, Oklahoma, Tennessee, Texas, Vermont and Virginia go the polls or caucus Tuesday. Democrats also caucus in Colorado and Republicans will do the same in Alaska.

CNN has an analysis on what to watch on the biggest day yet: http://www.cnn.com/2016/03/01/politics/super-tuesday-what-to-watch/index.html