1. Social Media with Alan Rosenblatt: Twitter announces Jim DeMint's departure, and the secret to Obama Administration's socia media success

2. Activist of the Week: Brad Johnson, Campaign Manager of Forecast the Facts, a new climate change action group 

3. Misinformation on the right: Why do Republicans think ACORN won the election for Obama? Why did GOP senators vote down UN disability rights treaty?

4. Marans's How it Should Be (part 2 in pre-Inauguration series): How pot should be legal in all 50 states