8 a.m.

Ch. 9: Addition/ "Fox News Sunday": GOP presidential hopeful John McCain; Democratic presidential hopeful Hillary Rodham Clinton.

9 a.m.

Ch. 5: Addition/ "This Week": Clinton; GOP presidential hopeful Mitt Romney.

Ch. 11: Addition/ "Meet the Press": GOP strategists Mary Matalin and Mike Murphy; Democratic strategists Bob Shrum and James Carville.

9:30 a.m.

Ch. 4: Addition/ "Face the Nation": McCain and Democratic presidential hopeful Barack Obama.