“On the surface, Americans Elect, No Labels and Ruck.us might look like similar groups, complaining about hyper-partisanship and gridlock while trying to dislodge the two-party system. But a closer examination reveals that each group is prescribing its own cure for the country’s problems,” Nathan Gonzales writes in Roll Call.

MINNESOTA: “Former Minnesota governor Tim Pawlenty yesterday definitively ruled out a 2012 campaign for the US Senate after ending his bid for the White House a few days ago,” AP writes. Pawlenty said, “I don’t know what I will be doing next. However, I will not be running against Amy in 2012.”

Christine O’Donnell (remember her?) walked off the set of Piers Morgan’s show after questions about witch craft and gay marriage.