WASHINGTON (AP) - Sen. Charles Schumer, D-N.Y., is receiving treatment to prevent lyme disease after being bitten by a tick during a recent tour of dams in upstate New York. Schumer, a senator since 1998, apparently was bitten during a May 7 dam tour in the Hudson Valley region. He and other lawmakers have called for improvements to many small dams in the area to prevent flooding. "I went tramping through the woods with Congressman John Hall to check dams," the senator said. He later found a tick, and spotted a telltale "bulls-eye" mark on his leg that is an...