CHICAGO —When Caitlin Clark comes to town, it’s an event. Sold-out crowds, sneaking into side doors of hotels and police escorts. Clark and the Iowa women’s basketball team are box office. Every game is a home game thanks to thousands of fans who created a sea of black and yellow at Hawkeyes games all over the country. When they made an appearance in Evanston on Jan. 31, one person told me, “she’s like the Beatles.” “Every single game, I play and it’s all sold out. So it’s not something you ever take for granted. I think it’s kind of crazy people are screaming my name so much. It’s not somethi…