Polls continued to shift strongly in President Barack Obama’s favor today, with the president opening up a 6-point lead in the Gallup tracking poll. He has even bigger leads in some polls in key swing states, including in Ohio, where both he and GOP challenger Mitt Romney campaigned today. Obama jumped to a lead of 50 percent to 44 percent in the seven-day Gallup tracking poll, up from 48 percent to 45 percent Tuesday and a 47-percent tie just a few days ago. The results came as the Obama campaign tried to guard against overconfidence, and the Romney campaign has argued in recent days that most public polls are flawed. The Romney campaign in the past week had taken solace in the relative closeness of the Gallup poll. (more…)