By Kevin Sweeney Plus, answering your bracket-related questions and why Fred Hoiberg is struggling in his return to college. Welcome to Sports Illustrated’s weekly college hoops mailbag with Kevin Sweeney. Here, Kevin will field questions submitted via Twitter and email about a variety of topics in the sport. Have a question you’d like answered in a future mailbag? Send it to @CBB_Central on Twitter or Kevin.Sweeney@si.com (questions around either men’s or women’s basketball are welcome!). Without further ado, let’s get to your questions, which have been lightly edited for grammar and clarity …