Quote Originally Posted by Spyder Man
"U.S. officials are trying to determine whether the grenade was thrown with the intention of doing harm or was placed in the crowd for other reasons."

you have to love US intelligence. and people wonder why he and other political figures are always in danger..
I think what they mean by other reasons is kind of like that kid in NC or whatever it was who placed a pistol on a plane just to prove it could be done. kind of like pointing out security risks. but who knows.