As the campaigns look ahead, Mitt Romney targets Barack Obama, but he is targeting youth voters. The Supreme Court hears arguments on Arizona immigration law. Also, a year after Osama bin Laden’s death, balancing terrorism and civil liberties. Joining Gwen: John Dickerson, Slate Magazine/CBS News; Alexis Simendinger, RealClearPolitics; Pete Williams, NBC News; James Kitfield, National Journal.
On the Webcast Extra: Fighting erupts in Congress and on the campaign trail over student loans. Is this a substantive battle or the latest partisan dustup? Also, does a lack of endorsements hurt Romney’s ability to coalesce the Republican Party? Plus, the first criminal charges levied against BP after the oil spill and the role enhanced integration techniques play in counterterrorism efforts.