The VP search is on As presidential candidates Barack Obama and John McCain work toward finding the right running mates, Midday explores the office of the vice presidency and what qualities the candidates might want to see in a potential political partner.11:00 a.m.
Paul Light: Executive branch and VP expert, former Humphrey Institute Professor and author of "A Government Ill Executed: The Decline of the Federal Service and How to Reverse It."
Remembering Tim Russert For the last 17 years, NBC newsman Tim Russert grilled powerful politicians and other newsmakers on the longest running television show in history, "Meet the Press." Tim Russert died suddenly of a heart attack on Friday in the Washington Bureau of NBC News. He was 58 years old.12:00 p.m.