Transcript for Victory Snatched From Eric Cantor in Huge Upset
Massive upset in Washington the Republican leader suddenly out no one saw this coming including him. Eric Cantor once a rising star in the Republican Party defeated by an underdog an unknown who raised less money for his campaign -- Kantor spent simply eating out. So what are American voters trying to tell Washington tonight and how -- -- explain his lost just moments ago ABC senior Washington correspondent just selling leading -- -- House majority leader Eric -- -- stepping down not in disgrace but in a defeat he never saw coming. I'm gonna leave the political analysis deal he lost to this man Dave brat. A virtually unknown college professor on a Tea Party wave. He orchestrated a political too from his tiny Virginia headquarters with only to paid staffers this country's change. How different -- their campaigns. Cancer raised five million dollars fifty times more than brat. In fact -- spent more at stake houses than brat raised overall. As Skinner wrote 9000 dollar checks for private jets Brett paid expenses like 87 dollars on office supplies out Wal-Mart and oh. When we talked to Pratt last month he pulled up outside the capitol in his shabby. A stark contrast from the motorcade in capital security that made his rivals seem unstoppable I will. -- just hope people -- exuded confidence but was caught off guard. And in the final weeks the professor managed to beat back an onslaught of candor slick TV ads. With his own homemade -- commercials or crony capitalists -- in Washington DC but also in the underdogs corner conservative radio. Which made him a star as the candidate who would block immigration reform. The voters sending a clear message against the Washington establishment. And Jeff -- is now -- he learned of the meeting behind closed doors the shock and some tears among the establishment. Indeed David I'm told by Republicans who were at that meeting that speaker Boehner cried a very emotional moment. He's been in the trenches with his house majority leader for so long but now a neophyte -- David about who is going to replace him. Right just selling leading -- just thank you.
This transcript has been automatically generated and may not be 100% accurate.