Barack Obama continues to take hits from the progressive netroots; RedState makes the mistake of banning Ron Paul supporters from its site; new Ron Paul graphs fun; Mashable posts a primer on online politics; Why Tuesday's Jacob Soboroff his heading to Iowa, and wants us to know exactly how the caucuses work; netroots darling Chris Dodd shows up on FireDogLake; and details on his second place finish in a DailyKos straw poll.