In politics this morning: A new NBC polls shows Americans are more optimistic about the economy.
That's good news as the President spreads his clean energy message out west today... Mr. Obama's in Las Vegas this morning, then heading to Colorado.
Meanwhile, his Republican rivals continue to fight it out in Florida-- the four remaining G.O.P. candidates will take the stage tonight for the final debate ahead of next weeks Florida primary.
The latest poll results show Mitt Romney and Newt Gingrich in a virtual tie, with Santorum and Paul behind about 20 percent each.
Tracie Potts is on capitol hill with more.