Doug Erwin spent last week trying on each of the hats he'll be wearing as vice president of entrepreneurial development for the Economic Development Authority of Western Nevada.It's a new job for the veteran entrepreneur, and he's launching an initiative that's a focused effort by EDAWN to spur entrepreneurial activity as a significant source of new jobs in the region.Erwin will spend part of his week at EDAWN. He'll spend two days a week at the University of Nevada, Reno, where he'll work closely with the school's Technology Transfer Office, looking for ways to create new companies based on UNR …