After an August recess marked by raucous town halls, troubling polling data and widespread anecdotal evidence of a volatile electorate, the small universe of political analysts who closely follow House races is predicting moderate to heavy Democratic losses in 2010.

Some of the most prominent and respected handicappers can now envision an election in which Democrats suffer double-digit losses in the House — not enough to provide the 40 seats necessary to return the GOP to power but enough to put them within striking distance.

Top political analyst Charlie Cook, in a special August 20 update to subscribers, wrote that “the situation this summer has slipped completely out of control for President Obama and congressional Democrats”...