Brat 's main argument in the race was that Cantor lost touch with his conservative principles . Republican Dave Challenger beat heavily favored incumbent Eric Cantor . Challenger spent less than $ 300,000 compared to Bush 's $ 5 million . Challenger 's main argument was that Cantor had turned his back on conservative principles .
Republican Dave Challenger beat heavily favored incumbent Eric Cantor . Challenger spent less than $ 300,000 compared to Bush 's $ 5 million . Challenger 's main argument was that Cantor had turned his back on conservative principles .