Iran Unlikely to Strike First, U.S. Official Burgess Says

Iran Unlikely to Strike First, U.S. Official Burgess Says

Atta Kenare/AFP/Getty Images

Iranian soldiers chant anti-Israeli and anti-U.S. slogans on the first day of celebrations marking the 33th anniversary of Ayatollah Ruhollah Khomeini's return from exile in Tehran on Feb. 1, 2012.