From the Hill Lobbyists who advocate legalizing online poker are on the prowl for a new Republican to champion their cause in the Senate. Former Sen. Jon Kyl (R-Ariz.) had been a reliable supporter of online poker, but he retired last year after making a last-ditch effort to pass legislation with Senate Majority Leader Harry Reid (D-Nev.). Gambling interests are eager to revisit Internet poker legalization — a top priority for Reid’s casino-dominated home state — but lobbyists for the gaming industry doubt the effort will succeed until a Republican ally is found from outside Nevada who can broaden the…