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.
Source: wiktionary