As young Cook County public defenders, Jorge L. Alonso and Robert W. Johnson often went to a sports bar on Saturdays to watch college football. On one occasion, Johnson spent quite a bit of time talking about his relationship problems. When the game reached halftime, Johnson waited for Alonso to tell him the girlfriend had done him wrong and he deserved better. The response demonstrated why, Johnson said, Alonso is a good fit for the bench. “He takes a sip of his beer and turns to me and says, ‘Well …