November 30, 2005 -- WASHINGTON — At a time when many Republicans have political jitters, Rudy Giuliani is kicking off his push to help the GOP keep control of Congress in the 2006 elections with a big New York fund-raiser Dec. 12. It's a $5,000-a-ticket cash-bash at Club Havana on Fifth Avenue to benefit seven Republicans facing potentially tough House re-election bids.