rick: checking in on america s election headquarters, and, the road to november, leading through sin city for democrats, right now, all hands on deck. in vegas as the left looks for a new strategy to try to protect their turf in midterm elections. and ironically, nevada could be a key battleground state, and the senate majority leader, of course, harry reid, that is his home state an sad saddled with nation s highest unemployment rate, carl cameron will set the stage for us there. reporter: more than 2,000 liberals, they prefer to be called progressive bloggers are descending on the city in vegas and, coming to the convention, the 5th annual, and, in the anti-incumbent, anti-washington year, even democrats are picked ticked off at their own