'New START' Ratified, But Loose Nuclear Material Remains Worrisome
President Barack Obama speaks in the East Room of the White House on July 1, 2010, during the signing of the Iran Sanctions Bill, which will limit business done with Iran due to their nuclear program.
( Brendan Smialowski / Getty )
( Brendan Smialowski / Getty )
Produced by David J Fazekas
