The Stranger Things star was detained at the airport as he flew in for an appearance on The Tonight Show Starring Jimmy Fallon. Recounting the incident on Monday night's episode, English actor Joseph detailed his run-in with the United States’s border force before arriving on the Tonight Show’s set. He joked, “I very nearly didn’t make it. I was taken into, I guess what you could call it more of a dungeon. And I was asked to wait there for about 20 minutes and then I was summoned to this desk where someone asked me...