It's going to get worse. The Democrats seem (unless there are some big changes in the economy) to grab a bigger share of the Senate and take control of the House. The problems of the economy may not be Bush's fault, but they happened on his watch. People want their big 401k's and the safe feeling they had under Clinton (even though the safety was only illusory.) Anyone who promises better economic times and safety will win in 2004.
Fortunately, the situation looks promising in the House, thanks to redistricting (see
here.
I agree that we can't become complacent about the House, though, and the Senate will need some work in the 2002 election so that the President's nominees can't be obstructed. My wife and I are turning over our income tax refund to the RNC.