An article in Slate caught my eye:
In trying to explain why our political paralysis seems to have gotten so much worse over the past year, analysts have rounded up a plausible collection of reasons including: President Obama’s tactical missteps, the obstinacy of congressional Republicans, rising partisanship in Washington, the blustering idiocracy of the cable-news stations, and the Senate filibuster, which has devolved into a super-majority threshold for any important legislation. These are all large factors, to be sure, but that list neglects what may be the biggest culprit in our current predicament: the childishness, ignorance, and growing incoherence of the public at large.
Read the whole thing, as they say.