Today's Pennsylvania primary may have been the most discussed during this election cycle, mainly due to the large space between the last primary in Mississippi over a month ago. TVNewser will be live blogging the coverage tonight:

• ABC — Tonight on World News with Charles Gibson, Jake Tapper will report from Pennsylvania and George Stephanopoulos will provide analysis from Washington. Gibson will anchor special reports as results come in. Terry Moran anchors Nightline with more analysis and results.

• Bloomberg — Peter Cook anchors with analysis from Terry Holt and Stephanie Cutter. Kathleen Hays hosts a roundtable of anaylsts talking about the economic issues.

• CBS — During the Evening News, Jim Axelrod covers reports from the Clinton campaign and Dean Reynolds from the Obama campaign. Katie Couric gives a "primer" on the Pennsylvania issues and what the state represents.

• CNN — Wolf Blitzer leads coverage beginning at 7pmET. Campbell Brown, Anderson Cooper, Lou Dobbs and Soledad O'Brien anchor and John King takes his place at the Magic Wall. Larry King Live airs at MidnightET.

• FNC — Brit Hume anchors coverage beginning at 8pmET, with Chris Wallace and Karl Rove contributing. Megyn Kelly and Bill Hemmer and FNC's correspondents provide live updates. The Strategy Room is back with Brian Wilson leading the group.

• NBC/MSNBC — NBC Nightly News with Brian Williams provides coverage, joined by Tim Russert, updating the broadcast across time zones while results come in. Keith Olbermann and Chris Matthews anchor on MSNBC beginning at 6pmET. David Gregory leads a panel of "Race to the White House" analysts throughout the coverage.

> Update: • CNBC — John Harwood reports from Pennsylvania. Larry Kudlow is live at 7pmET with "Your Money, Your Vote," discussing the primary and the markets.