The father of a slain local soldier has taken public a message about the war's rules of engagement. William Osborn, the father of Spc. Benjamin Osborn, who was killed in action in Afghanistan on June 15, sent a letter to Gen. David Petraeus on Sunday asking him to change rules which he said tie soldiers' hands. "Our son, SPC 4 Benjamin D. Osborn, volunteered to man the one heavy gun his unit had mounted on top of an MRAP vehicle," the e-mail states. "Finally, ordered to fire, Ben was able to get off 10 rounds before falling silent." Four minutes...