It doesn’t seem like two-and-a-half months has passed since the Wyoming Cowboy football team hoisted up the New Mexico bowl trophy last December, but that is the case, as head coach Dave Christensen prepares his team for another set of spring practices. The Cowboys will take the field tomorrow in what promises to be another grueling test of character and physical endurance this spring.  Christensen says he can’t wait to get things started.DAVE CHRISTENSEN 1  DAVE CHRISTENSEN 2 The  Cowboys will hold the first of 15 practices tomorrow in Laramie.