Top 10 House Challengers By Roll Call Staff Posted July 29, 2008 at 12:00am Facebook Twitter Email Reddit Chart: Most Cash-on-Hand, House Challengers to Opposite-Party Incumbents House Races to Watch Jigsaw Politics: Top Five GOP Bids to Keep House Hopes Alive Recent Stories Slashed refugee cap adds to uncertainty about admissions to US ‘Injustice’ — The facts don’t matter if you’re not able to present them Supreme Court to take up case over border asylum claim location Defense contractors fight back against NDAA repair language Biofuels standards put farm, oil state members on opposite sides In the Spotlight: Marie Gluesenkamp Perez