in fact, cantor spent more at steakhouses than brat raised overall. as cantor wrote $9,000 checks for private jets, brat paid expenses like $87 on office supplies at walmart. >> dollars do not vote. you do. >> reporter: when we talked to brat last month, he pulled up outside the capitol in his chevy, a stark contrast from the motorcade and capitol security that made his rival seem up stoppable. >> i will be the voice of the people. >> reporter: cantor exuded confidence but was caught off guard. and in the final weeks the professor managed to beat back an onslaught of cantor's slick tv ads with his own homemade youtube commercials. >> or crony capitalists up in washington, d.c. >> reporter: also in the underdog's corner conservative radio, which made him a star as the candidate who would block immigration reform. voters sending a clear message against the washington establishment. now this is yet another chapter in this ongoing fight between the tea party and the establishment.