On his HBO series 'Last Week Tonight,' host John Oliver dives into often obscure stories, like NRA TV and the laws that govern televangelism. Oliver talks about how the show comes together, and his experience as an immigrant in America. Also, film critic Justin Chang reviews ‘A Wrinkle in Time.’ Sarah McBride became the first trans person to speak at a major party's convention when she spoke at the 2016 Democratic National Convention. Now she's the spokesperson for the Human Rights Campaign. Her new memoir is 'Tomorrow Will Be Different: Love, Loss, and the Fight for Trans Equality.'