House Seats Up For Grabs, Third Of Senate Seats

While most of the focus this campaign season has been on the race for the White House, there is also an intense — and expensive — battle going on for control of the House and Senate. Depending on who wins the White House, Republicans need a net gain of 3 or 4 seats in the Senate to get a majority. In the House, Democrats need to pick up 25 seats to make Nancy Pelosi speaker once again.