A Super Tuesday Primer

All the news networks will provide extensive coverage of Super Tuesday, and broadcasters will break into prime time with results.

The night also marks the debut of a new Washington Post, Newsweek and Slate magazine "experiment" with a six-hour webcast of coverage and analysis from Bob Woodward, Sally Quinn, Jon Meacham and others.

Here's a roundup:

ABC: Coverage begins at 8 EST/5 PST. Web-streaming on ABCNews.com.

CBS: Coverage begins at 9 EST/5 PST.

NBC: Coverage begins at 10 EST/PST.

CNN: Wall to wall coverage, streaming on CNN.com.

Fox News: Wall to wall coverage, from a new election headquarters (below).

MSNBC: Wall-to-wall coverage, streaming on MSNBC.com.

MTV: Breaking reports from citizen journalists, live streaming on MTVNews.com and Chooseorlose.com.

C-SPAN: Wall-to-wall coverage, streaming on Cspan.org.

IFC: Super Tuesday special at 9 EST.

Washingtonpost.com: Live video coverage and online reporting starts at 6 ET/3 PT, with Newsweek editor Jon Meacham, the Washington Post's Chris Cillizza and Ed O'Keefe. Presented by the Washingtonpost.com, Slate, The Root.com and Newsweek.