President Bush unveiled a new Iraq plan on Wednesday night, which includes an increase in U.S. military presence by more than 20,000 troops. Senators Barbara Boxer, D-Calif., and Lindsey Graham, R-S.C., debate the president's proposal and how Congress should respond.

A meeting between Iraqi Prime Minister Nouri al-Maliki and President Bush on security matters was postponed Wednesday, the same day a classified White House memo highly critical of the Iraqi leader was leaked to the press. The leaders are expected…