Surprises Lurk in 2008 Congressional Elections

While much of the nation's attention is focused on the presidential race, the entire House of Representatives and a third of the Senate are are also up for election in 2008. Former House speaker Dennis Hastert (R-IL) announced Friday that he will not seek another term in office, just one of a series of moves that could affect the shape of Congress after the elections.

Scott Simon talks with David Wasserman of The Cook Report, nonpartisan group that has its sights trained on all elections at all times, about what's brewing for 2008.