Tonight could go down as the most highly watched non-election night in television news history. With two wide-open races, the focus will be on the networks, broadcast and cable, as Super Tuesday results pour in. TVNewser will be live blogging the coverage, starting at 7pmET. Check back early and often for updates and keep the tips coming in throughout the night.

TVNewser live blogged the New Hampshire Primary and the Iowa Caucus. Check out the previous live blogs of those two early states:

New Hampshire-
• Where Did It All Go Wrong?
• McCain in, Clinton Ahead
• Time for a change?

Iowa-
• Obamabee's Big Night
• Who's Got The Edge?