Tim Constantine reports on Huma Abedin's appearance before the House Select Committee on Benghazi, CNBC revising details of the next GOP debate to ensure Donald Trump and Ben Carson would participate, and a new concert event by Roger Waters.
** FILE ** In this Nov. 11, 2012, file photo, Roger Waters (left), formerly of Pink Floyd, performs with injured service members at the sixth annual Stand Up For Heroes benefit concert in New York. (Associated Press)