Barack Obama actually said...

So if you want to know who we are, what America is, how we respond to evil, that's it. Selflessly, compassionately, unafraid.

The American people refuse to be terrorized because what the world saw yesterday and the aftermath of the explosions were stories of heroism...

The FBI is investigating as an act of terrorism. Any time bombs are used to target innocent civilians, it is an act of terror.

the bombings in Boston are being investigated as an act of terrorism