BEMIDJI — Much like the storyline of the play he’s set to perform in, Cole Flaat is making a return to the stage after a lengthy hiatus. “I went to Minnesota State University in Moorhead, School of Theater,” Flaat recalled. “I graduated, fell flat on my face, couldn't get any work, was depressed constantly, called myself a failure. And like most actors who fail, I ended up becoming a world-class bartender.” Struggling, the East Grand Forks nativ…