And the winners have been revealed on washingtonpost.com’s Best Blog contest for political and election blogs. The contest, which took nominations starting a couple of months ago, had readers decide which blogs were the cream of the crop in topics such as “Most Likely to Last Beyond Election Day,” “Best Rant” and “Best Inside the Beltway.” National Review’s The Corner blog won in several categories; in fact, conservative blogs by and large dominated the entire…