(CBS) Ten U.S. soldiers were injured, six or seven of them seriously, in a grenade and small arms attack at Camp Pennsylvania in northern Kuwait, reports CBS News Correspondent Mark Strassmann, who is traveling with the U.S. Army's 101st Airborne Division. Strassmann said the grenades were rolled into two commanders' tents at the camp. When officers ran from the tents, they were hit by small arms fire. "From our reports it appears that a terrorist penetrated Camp Pennsylvania, one or more terrorists threw two hand grenades into a tent," said George Heath, spokesman at Fort Campbell, home base of the...