WorkThis is a guest post from Nancy Collamer, M.S., a career coach, speaker and author. What is the single most important factor for career reinvention success? If you guessed talent, a large professional network or an exceptional resume, you’d only be partially right. All of those are clearly important. But nearly two decades experience as a career coach has taught me that the single most important element behind reinvention success is a positive attitude. Before you dismiss that as a cliché, …