By MEAD GRUVER LARAMIE, Wyo. (AP) — As a student at the Wyoming Law Enforcement Academy, Aaron Appelhans used to look at the photos of past graduating classes hanging on the wall. "I got to see, for the most part, ain't a whole lot of people that looked like me around here," he recalled of the mainly white faces. A decade later, Appelhans was appointed Wyoming's first Black sheriff, a post he took