Martha MacCallum

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.

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.

On September 14th, 2001, several days after the terrorist attacks of 9/11, President Bush visited New York. In that bereaved city, he stood atop Ground Zero's rubble and delivered an impromptu speech that would comfort and unite America.