The North Vietnamese general in charge of the military campaign that finally drove the U.S. out of South Vietnam in 1975 credited a group led by Democratic presidential front-runner John Kerry with helping him achieve victory. In his 1985 memoir about the war, Gen. Vo Nguyen Giap wrote that if it weren't for organizations like Kerry's Vietnam Veterans Against the War, Hanoi would have surrendered to the U.S. - according to Fox News Channel war historian Oliver North. That's why, he predicted on Tuesday, the Vietnam War issue "is going to blow up in Kerry's face." "People are going to...