Movies: Martha MacCallum

Americans have noticed strange flying vehicles dotting the night sky. Martha MacCallum investigates the mystery drone invasion....

An Iran many Americans have forgotten - once embracing Western culture, women's rights, and social change. Torn apart by revolution, turned into one of America's greatest adversaries....

As the crisis in Ukraine continues to escalate, analysts are drawing parallels to Taiwan, warning of the frightening possibility of China invading the sovereign island. Martha MacCaullum asks the experts what China could be plotting....