In "Baseball Is Designed to Break Your Heart," Chris Vognar writes about the ups and mostly downs of being a sports fan. For the second time in five years my beloved 49ers had blown a 10-point lead to the Kansas City Chiefs and lost the Super Bowl. But not two weeks later, with spring training games now underway, every baseball team, including my beloved San Francisco Giants, offering its followers a glimmer of optimism for the coming season, I’m drawn back