John Oliver closed out his latest edition of Last Week Tonight mocking the Instagram antics of TV news talent, aka “people who already have outlets to express themselves.” “An adult asking you to follow them on social media gives the same vibe as a clown asking you to join him in a sewer,” Oliver observed, after showing video of Fox News’ Jeanine Pirro and others doing just that. "If you choose to follow news anchors on Instagram, a whole world of sad wonder awaits…