The internet is awash with memes mourning the surrender of Bernie to the inevitable. Maybe it's because my generation has been through this too many times -- Kennedy, Kennedy, McCarthy, McGovern … oh sweet Jesus, McGovern, the mother of all crushed dreams. For many of Bernie’s supporters, this is your first swallow from the bitter cup of political despair. Your five stages of grief are just beginning at denial, with a healthy dollop of anger. My generation long ago moved on to acceptance, our wintry gaze firmly fixed on the prize, the hard lesson learned: Only the winner gets to govern.