Barack Obama has enjoyed leads in the vast majority of national tracking polls, which is, of course, terrible news for the Obama campaign. Now, I’m all in favor of far less attention being paid to tracking polls, but if they must remain a fixture, no one should have to tolerate the media assigning artificial constructs to these metrics that set out to prove that leading in a poll is a disadvantage. If someone in the press knows precisely where Obama’s numbers should be at this very moment, they need to reveal their sources, or quit pretending to be so damned sure about it.” — HuffPost’s Jason Linkins in a 7.29 posting titled “Resisting The Conventional Wisdom On Polls: It’s Possible!”