Tea party favorite Sharron Angle has topped recent polls in the Senate race, but businessman Danny Tarkanian and casino executive Sue Lowden appear to be within striking distance.
Harry Reid may be the powerful Senate majority leader, but back home in Nevada, most voters don't think much of him. On Friday, President Obama travels to Nevada to campaign for Reid.
Republican Scott Brown's win in Massachusetts provides a boost for the GOP's momentum for the 2010 midterm elections. Here are five states where Republicans might pick off Senate seats this November.
Sens. Harry Reid and Christopher Dodd are leading the charge for a healthcare reform bill. But that makes it hard for them to run as moderates in 2010, when both will face tough reelection campaigns.