Debt Ceiling, Arnold Schwarzenegger, Renaming Military Bases to Remove Confederate Names

Hosted by Jane Pauley. In our cover story, David Pogue explains what our nation's debt ceiling is, and why the fight over raising it threatens global recession. Also: Tracy Smith sits down with actor and climate activist Arnold Schwarzenegger; David Martin reports on the removal of the names of Confederate generals from U.S. Army bases; Rita Braver interviews novelist Isabel Allende; Ted Koppel joins New Orleans jazz clarinetist Doreen Ketchens at a particularly auspicious gig.