Soledad O'Brien tweeted on Monday morning that she was subbing for Anderson Cooper on Monday's AC360 because he was ill.
SHOOTING AT CHARDON H.S. IN OHIO: Soledad O'Brien and Martin Sadvidge reporting
Phone call interview with victim Nate Mueller
EVE OF CRITICAL PRIMARIES IN AZ AND MICH.: Soledad O'Brien reporting
Digging Deeper: Ralph Reed, Rich Galen and Gloria Borger
KEEPING THEM HONEST, SYRIA'S DEADLY LIES: Soledad O'Brien reporting
Follow up interview with Marie Colvin's family
AC360 NEWS & BUSINESS BULLETIN: Isha Sesay