Iran takes 'provocative step' toward building atomic bomb

The White House has called Iran's push in their nuclear program "another provocative step" towards building an atomic bomb. David Martin reports what the U.S. can do about it. (Jan. 31)

The White House has called Iran's push in their nuclear program "another provocative step" towards building an atomic bomb. David Martin reports what the U.S. can do about it. (Jan. 31)