Having seen his lead in national polls evaporate and desperate to reset the trajectory of the race before it’s too late, Republican presidential candidate Mitt Romney’s campaign rolled out a fresh barrage of opposition research and negative talking points Monday morning, including a new website slamming Newt Gingrich: www.unreliableleader.com

The attacks were familiar, including the two favorites: a hit on Newt for doing a global warming PSA with Nancy Pelosi, and a reminder to conservative activists that he trashed Paul Ryan’s Medicare privatization scheme as “right-wing social engineering.”