Obama and Petraeus Get Aerial Tour of Baghdad

The Senator and the General get a bird's-eye view of Iraq's capital, joined by Sen. Hagel. Photo released by the U.S. army. NBC: Obama visited a casualty unit in Baghdad's Green Zone to call on injured troops. WashPost's Balz: Obama's trip "wholly unique in the annals of presidential politics." PHOTOS: See gallery of Obama's visit to Baghdad here.