John Oliver does his usual thorough job in this look at impeachment. One of his points was underscored by the George Stephanopoulos interview with Trump this week. "That is the president openly invited foreign interference into our elections again," Oliver said. "And I know that we've all become numb to Trump by this point, but moments like that really shock you out of your stupor and make you think, 'Oh hang on, that guy's got to be impeached.'" He said this moment pushed him toward wanting impeachment, and argued that Trump is not untouchable. "Every asshole succeeds until they finally don't," he said. He pointed out that 18 months before he resigned, "Nixon had sky-high rating approval of 67 percent.