How Trump might hurt Congressional Republicans

Donald Trump's recent standing in the polls has raised questions about how the Republican candidate will affect the "down-ticket" races for Republicans, vital for winning control of Congress.

Rajini Vaidyanathan went to Virginia's 10th District, just outside Washington, where voters in a Republican stronghold are not so sure about its front-runner.

Filmed by Maxine Collins, edited by Joni Mazer Field, produced by Mat Morrison.