Programming notes

*** Tuesday's "Now with Alex Wagner" line-up: The Huffington Post's Sam Stein, MSNBC's Karen Finney, The New York Times' David Carr, Former Obama campaign spokesman Ben LaBolt, as well as Lisa Bloom on the Zimmerman trial and Josh Fox, director of Gasland Part II.

*** Tuesday’s “Andrea Mitchell Reports” line-up: NBC’s Andrea Mitchell interviews Amy Walter from the Cook Political Report and the Washington Post's Karen Tumulty.