Some Republicans are excited about making this year’s Congressional races a referendum on Barack Obama’s policies. I see their point, since Democrats the president has lost some ground with independents, and Republicans benefit from an “enthusiasm gap” right now. The right direction/wrong track numbers are also frightening for Democrats, and the health reform bill is likely to give the GOP good fodder for attacks.

However, Democratic Congressional Campaign Committee chairman Chris Van Hollen told Greg Sargent that he isn’t worried about Republicans nationalizing this year’s House races. (continues after the jump)