US President Barack Obama issued a vigorous defense of his policy of diplomatic engagement with historic adversaries such as Cuba and Iran, saying the negotiations with Iran have resulted in demonstrable restraints on Iran’s nuclear program.
“You look at an example like Iran, over the last year-and-a-half, since we began negotiations with them, that's probably the first year-and-a-half in which Iran has not advanced its nuclear program in the last decade,” Obama said in an interview with CNN’s Candy Crowley Dec. 21.