Retreating as they brace for anticipated congressional losses in the upcoming 2008 elections, Republicans cancel television advertising in a key Senate race in Louisiana and scaled back ads in eight competitive House contests.

Close to one in every three newly registered Ohio voters will end up on court-ordered lists being sent to county election boards due to some discrepancy, Ohio elections officials estimate. The battleground state must set up a system by Friday to check on voter eligibility, as part of an order from a federal appeals court.

John McCain says that he'll probably bring up Barack Obama's association with 1960s radical William Ayers in their final debate. "I was astonished to hear him say that he was surprised that I didn't have the guts" to bring up Ayers, the Republican presidential candidate says about his Democratic opponent.

Can one of Hollywood's raunchiest comedians help Barack Obama win the White House? Sarah Silverman gives it a shot in a video for the Great Schlep, a call for Jewish grandkids to visit their grandparents in Florida and persuade them to support the Illinois senator this November.

Democratic presidential nominee Barack Obama has the lead over John McCain in several polls. But some experts say he could ultimately suffer from the "Bradley effect" -- the theory that polls are thrown off when it comes to African-American candidates because some voters tell pollsters they'll vote for a black candidate, but won't actually do so.