This begins at 2 p.m. ET, with Current TV taking two different approaches to coverage. One sounds really good, because it features former presidential candidate Al Gore, along with other Current TV colleagues, such as Jennifer Granholm and Eliot Spitzer, presiding over convention activities and providing analysis. The other idea, though, sounds really bad: a live mega-tweet of pertinent Twitter feeds from various sources, both political and individual. That’s not a TV show, folks. That&rsq