Democrats have had a nice run recently of interesting House recruits and new takeover opportunities resulting from open GOP seats. And yet, it probably won’t matter. If history is any guide — and it usually is — the president’s recent problems have already overshadowed that good news for House Democrats and the Democratic Congressional Campaign Committee, all but erasing any chances that the party can win back the House next year. Sure, Republicans could easily overplay their hand, shutting down the government again or otherwise convincing voters that they are a greater threat to the nation’s economic health than are the Democrats. (more…)