CNN Shuts Down Roland Martin Early

Producers told not to book pundit as contract winds down; Comcast analyst suspended after newsroom altercation; newsrooms should first ask, "Could this offend?"; Internet host shouted down at conservative conference; FCC chairman to step down, praised for broadband access; Israel apologizes to Turkey for 2010 flotilla incident; Philly Inquirer approves of week's race conversations; Chinua Achebe, "African literary titan," dies at 82 (3/22/13)