Does Obama mean what he is saying? Sen. Barack Obama claims that a "history of weak sanctions" on countries like North Korea and Iran has created "this slow drift towards nuclear weapons becoming a fact of life." Sen. Barack Obama, D-Ill., tells ABC News' Charlie Gibson that he prefers "tough sanctions" against Iran to thwart their nuclear ambitions but that a military option -- by the U.S. or Israel -- is not "off the table". http://abcnews.go.com/WN/Politics/story?id=5432297&page=1