The poll, released earlier tonight, shows a 49-49 tie among likely voters. But to get that result CNN had to use one of the most skewed samples we’ve seen this campaign (see page 29): Among those likely voters, 41% described themselves as Democrats, 29% described themselves as Independents, and 30% described themselves as Republicans. A D+11 sample! By comparison, the electorate in 2008, when Obama-mania was at its peak, was merely D+7, according to exit polls. Tweeters were in a state of disbelief: Jon Ortega @dc_jon I heard CNN's national poll is sampled with D+11. When will this insanity and...