VP Joe Biden's son Beau Biden has announced that he will not run for the Senate seat from Delaware his father formerly held. This is a big plus for Mike Castle, the GOP nominee. Biden had the best name recognition, and Biden name is not toast in Delaware as Reid is in Nevada. This seat is now very likely to switch to GOP, like North Dakota. if Beau wants a career in politics, there are plenty of opportunities ahead. Castle is 71, and Biden could run for governor in the future.