PORT HENRY -- U.S. Rep. Bill Owens, D-Plattsburgh, will march with two well-known area Republicans in the Port Henry Labor Day Parade on Sunday, his campaign announced. State Assemblywoman Teresa Sayward, R-Willsboro, and Moriah Supervisor Tom Scozzafava, a Republican, will march with Owens in the parade that begins at 1 p.m. Sunday at Broad Street. “Bill is devoted to the North County. ... I think he’s done a really terrific job in Washington,”