WASHINGTON - One out of every four ballots requested by military personnel and other Americans living overseas for the 2008 election may have gone uncounted, according to findings released at a Senate hearing. Sen. Charles Schumer, chairman of the Senate Rules and Administration Committee, said the study released Wednesday, while providing only a snapshot of voting patterns, "is enough to show that the balloting process for service members is clearly in need of an overhaul." The committee, working with the Congressional Research Service, surveyed election offices in seven states with high numbers of military personnel: California, Florida, North Carolina, Pennsylvania,...