Sunday Talking Heads Preview

This Week with George Stephanopoulos
--Sen. John McCain, R-Ariz.

Fox News Sunday with Chris Wallace
--Sen. Charles Schumer, Clinton Backer
--Sen. Dick Durbin, Obama campaign co-chair
--Karl Rove, Republican Strategist


Face the Nation with Bob Schieffer
--Sen. Bob Casey, D-Pa., Obama Backer
--Gov. Ed Rendell, D-Pa., Clinton Backer
--Joe Trippi, Democratic Strategist

Meet The Press with Tim Russert
--Chief Strategist David Axelrod, Obama Campaign
--Chief Strategist Geoff Garin, Clinton Campaign