My interpretation: it brought back some conservatives unhappy with his immigration plan and pushed away moderates and Independents and anyone with a lick of sense. How long can you only go after the cowards and stupids vote?
The race did not tighten; in fact, it marginally improved with the Democrats now winning the named (not generic) congressional ballot by 6 points. The image of the Congress and the Republicans declined noticeably. Most importantly, Democrats continue to win the debate on Iraq and national security, even with the president’s current argument, and should speak out immediately and with confidence. The structure of the race has not changed at all; indeed, the ingredients for a change election are even stronger."Added from link: check out Fineman on the scare tactics the Republicans are running on.