America's most listened to talk radio host Rush Limbaugh will hit Broadway next month with a one man show to fund relief efforts for the victims of Hurricane Katrina. "Rush on Broadway" will open for a one-day-only performance on Tuesday Oct. 18 at the New Amsterdam Theater on 42nd Street. The show will feature a special introduction by ABC Radio host Sean Hannity. Tickets go on sale Tuesday, Sept. 6 at 10am. Plans for Limbaugh's Broadway debut were apparently finalized late Thursday - the top talker made no mention of the production during his regular midday broadcast. However WABC -...