Lopez replaces Natalie Morales, who exited the entertainment show in April.
Rapper says her publicist and manager shut down several media outlets.
“Not what the audience wants!” he insisted on Twitter.
The new show led by Rickey Smiley will debut on Jan. 2.
Former cable news host’s Ozy Media will produce the issue-oriented series.
“Nick Cannon is that fresh sound we were looking for,” the station says.
Collection includes iconic images of Prince and Sammy Davis Jr.
Washington most recently served as the station’s assistant news director.
She was on assignment alone when the incident happened.
“CBS This Morning” and “CBS Evening News” lack Latino talent, National Hispanic Media Coalition says.