The chairman of the nation's biggest St. Patrick's Day Parade marched Friday while sidestepping questions about remarks comparing gay Irish-American activists to neo-Nazis, the Ku Klux Klan and prostitutes. "Today is St. Patrick's Day. We celebrate our faith and heritage. Everything else is secondary," said the chairman, John Dunleavy, who wore a sash of the Irish colors. Dunleavy was blasted by the City Council's first openly gay leader for the remarks, which appeared in The Irish Times on Thursday. He told the newspaper, "If an Israeli group wants to march in New York, do you allow Neo-Nazis into their parade?...