he s that smart. the university of chicago librarian emma bettcher, at the unc chapel hill she wrote a master s thesis called predicting the difficulty of trivia questions using text features. so they took him down. austin rogers, thank you. thank you very much. thank you. any moment now, president trump will host prince charles for dinner and we ll take you there and the details on the first fame gift exchange and the first lady special role in all of it. we ll be right back. if you have moderate to severe psoriasis, little things can be a big deal. that s why there s otezla. otezla is not a cream. it s a pill that treats plaque psoriasis differently. with otezla, 75% clearer skin is achievable. don t use if you re allergic to otezla. it may cause severe diarrhea, nausea, or vomiting. otezla is associated with an increased risk of depression. tell your doctor if you have a history of depression or suicidal thoughts or if these feelings develop. some people taking otezla report