"A new Gallup poll out yesterday says that the percentage of Clinton loyalists planning to vote for Obama in November jumped from 70 percent before last week's convention to 81 percent after, and the percentage saying they are certain to back Obama increased from 47 percent to 65 percent. … A Hotline/Diageo poll out yesterday gave Obama a 48 percent to 39 percent national lead over his Republican rival John McCain, up from 44 percent to 40 percent in the previous poll."