Stephen Breyer

Ari Melber tries to improve a troubled time slot at MSNBC

One of MSNBC's most valuable utility players, Ari Melber, gets his own regular show Monday with the assignment of shoring up a weak spot in the cable network's lineup.

Melber, the 37-year-old chief legal correspondent, launches "The Beat" at 6 p.m. ET, promising a show that makes its points more by reporting than pontificating.

He's a familiar face to regular viewers of MSNBC. In his fifth year at the network, he has guest hosted for every host in the evening lineup — Chris Matthews, Chris Hayes, Rachel Maddow, Lawrence O'Donnell and Brian Williams — giving him experience with different styles and staffs.

"I learned this is really hard," he said....