A couple thousand in the US alone. 16 bombing or arsons or attempts at them. Plus over a thousand incidents of Invasion, Assault & Battery, Vandalism, Trespassing, Death Threats, Burglary, Stalking...
http://www.religioustolerance.org/abo_viol.htm
This is a silly comparison. The first column (and presumably the most important) lists murders and attempted murders. The total since 2000 is ONE. Well Katie, bar the door.
On the flip side, if France did ask for our help, WE SHOULD HELP THEM> Why? Because this is the United States of America and that's what we do. If we want to be considered a global leader, we should act accordingly. Are we somehow exempt from fighting the War on Terror in countries we have differences with?