Lawrence O'Donnell, host of "The Last Word" on MSNBC, has been off the air. He joked with Rachel Maddow ahead of his absence. Here's what to know.

After a two-week absence, Lawrence O’Donnell returned to MSNBC on Tuesday night (April 1), telling his viewers, “It’s great to be back.” The veteran news anchor had only intended to take a week off ...

MSNBC has been caught in the throws of controversy as rumors swirl about jealousy at the network over star Rachel Maddow's bumper pay while Lawrence O'Donnell took a bizarre absence from his program.

Lawrence O'Donnell ... every night. In O'Donnell's case, he provided the answer to his absence in advance, in a discussion with Rachel Maddow as she handed off her show to his on March 12.

After a two-week absence, Lawrence O’Donnell returned to MSNBC on Tuesday night (April 1), telling his viewers, “It’s great to be back.” The veteran news anchor had only intended to take a ...