Yesterday’s big win for the Republicans was also a major victory for some the outside groups that have spent liberally on the election.

American Crossroads, the conservative-leaning group advised by Karl Rove was the night’s biggest winner, helping Republicans take control of the House and narrow the margin in the Senate.

The Super PAC spent money on 43 candidates, and racked up 28 wins and 15 losses. Some of those losses include the Nevada Senate race between Majority Leader and Tea Party candidate Sharron Angle and the Colorado Senate race between Sen. Michael Bennet, D-Colo., and Ken Buck ...

The Nevada Senate toss-up between Majority Leader Harry Reid and Tea Party candidate Sharron Angle is one of the races which has seen close to $10 milion spent by outside groups to influence voters. The stakes are high and the ads are scathing. So far, the spending is skewed in favor of Angle where Republican-leaning groups have spent over $7.8 million, according to data reported to the Federal Election Commission.

The groups that are weighing in on the Nevada battle are big spending conservative-leaning groups including American Crossroads and Crossroads GPS that are part of this "hydra of independent ...