Christopher Hitchens, the provocative British author who lives in the United States, has criticised his adopted country’s current political mood. In an interview for the Sky Arts programme In Confidence, which airs on Thursday night, Hitchens described his disappointment at the way in which he felt America’s generosity and self-confidence had dwindled. “The great thing about the United States and the historically magnetic effect it has had on a lot of people like me is its generosity, to put it simply. Broadness of mind, curiosity, willingness to accept strangers, allowing them to become citizens really quite easily, assimilate to their...