Bill Hader revels in his nasty streak as veteran TV newsman Herb Welch, a crank who’s been on the air for six or seven decades, as his glasses get thicker and his fuse gets shorter. Herb is prone to ...

It did all that and more. “Saturday Night Live” gave TV a little rock-and-roll cachet partly by making fun of it. The show lampooned commercials and presidents and TV executives. It launched squadrons ...