Recently, I have heard the term game changer used to describe single-use technologies (SUTs). Whether this is hyperbole or reality remains to be seen. But it does bring baseball to my mind. After all, it’s finally spring, games began in April, and optimism reigns supreme — at least in some major-league cities. I was struck recently by an article in my home-town Washington Post by venerated columnist Thomas Boswell, who wrote in March about hope for the future of our…