RICHMOND, Va. (AP) - Republican Sen. George Allen, bedeviled by his own mistakes and an unpopular president, battled for his political life Tuesday against Jim Webb, whose disgust with the GOP made him a Democrat. Final independent polls in a Virginia race that could determine whether Republicans keep control of the U.S. Senate showed the two candidates were about even. Reports from around Virginia early Tuesday indicated an extraordinarily high turnout for a midterm election, with perhaps 65 percent of registered voters expected to cast ballots, a state elections officials said. That would double the midterm turnout in 2002. In...