The race for the Senate continues to heat up as Republicans lead for two seats currently held by Democrats -- Nevada and Washington -- while another Republican has closed into striking distance for an open seat in Connecticut.

Republican Linda McMahon has taken a bite out of Democrat Richard Blumenthal's lead in Connecticut while her fellow GOPers Dino Rossi and Sharron Angle cling to slim leads over entrenched Democrats in Washington state and Nevada.

With just three weeks to go, control of the U.S. Senate may hang on a handful of ballots in these key states...