Jumping ShipForget about the presidential race. How are things looking for the GOP in the House and Senate for 2008? Not so good, at least when you add up the number of Republicans retiring and leaving once secure seats open to possible Democratic takeover.Report: GOP Congressman Jerry Weller Will RetireReport: Johanns Running For SenateMark Warner Announces Candidacy For SenateComplete Virginia Poll Numbers: Warner Way Ahead, Well Liked