Sen. Barack Obama responded on Tuesday to Rev. Jeremiah Wright's recent media blitz in the run up to primary elections in North Carolina and Indiana. Veteran political reporters discuss the upcoming votes and the impact of the Wright controversy.

With Hillary Clinton's campaign on the rebound after wins against Barack Obama in the Ohio and Texas primaries Tuesday night, the Democrats face a long, potentially divisive road to the nomination. Three former White House hopefuls and one former Clinton…

Presidential candidate Sen. Hillary Clinton, D-N.Y., released a negative campaign ad, prominent lawmakers reconsidered their endorsements and Congress questioned pitcher Roger Clemens over steroid use allegations. Mark Shields and David Brooks discuss the week's news.