Showdown in Texas and Ohio

Will Rabbe and Sarah Scully join up with the Clinton, Obama and McCain campaigns as the GOP ties up their nomination and the Democrats protract their struggle. Rabbe drops in on the Obama campaign, grilling top adviser David Axelrod about strategy and expectations while Sarah flies with Hillary Clinton between Texas and Ohio. Rabbe explains how the results affect the Democratic race while Sarah reports from McCain's official nomination victory party in Dallas.

Featuring David Axelrod, Hillary Rodham Clinton, John McCain, Dana Milbank, Barack Obama