If you're not all that familiar with Mel Gibson's father, "Last Week Tonight" host John Oliver would definitely recommend checking out the man's Wikipedia page. The HBO host was simply stunned by it on Sunday night.

The host also discussed Mahmoud Khalil‘s detention and the "constant fear of being kicked out of somewhere you see as your home"

But the notice was delivered hours after I declined to recommend reinstating the gun rights of a famous friend of the president, the actor Mel