Introducing Donald Trump today, former NYC mayor Rudy Giuliani made a pretty bold assertion:

To answer your question, yes. There’s video:

Uhhh …

Rudy. Rudy. 

Multiple radical Islamic terrorist have most definitely struck on U.S. soil since Obama became president. But they didn’t start with him. In fact, we can think of at least one that happened long before Obama took office.

A pretty major one.