(Originally broadcast on April 22, 2011) 
This week marks the anniversary of the Deepwater Horizon drilling rig explosion and Gulf Oil spill which resulted in the deaths of 11 crewmen and the worst environmental disaster in the United States.  Also, we look at the GOP line-up for the 2012 election.

Our panel tonight: Callie Crossley, host of The Callie Crossley Show, 89.7 WGBH Radio; Kim McLarin, assistant professor of writing, literature, and publishing, Emerson College; Phillip Martin, senior investigative reporter, 89.7 WGBH Radio; and Lynnell Thomas, assistant professor of American Studies at UMass Boston and New Orleans native.