Azaleas bloom and regrets flow on COB. The incomparable Steve Sands joins to talk the Masters, Tiger and golf books. COB’s favorite mayor Jud Ashman is on board to talk about the May 21 Gaithersburg Book Festival, sponsored happily by Chatter on Books. Best selling author Dan Pink zooms in with his latest, “The Power of Regret.” Building on massive research, Dan convincingly demonstrates the power and positivity of regrets. In a time when we need more reflection, Dan’s clear and concise writing brings new meaning to “optimize.”