At least once a week, I eat black beans out of the can. Just black beans. If I'm feeling spunky, I add a little hot sauce. People find my black bean lunches barbaric and disgusting. I see it differently. Black beans are pragmatic - they're cheap, widely available, and high in protein. In about 60 seconds, I have a filling and reasonably nutritious lunch. But black beans have a more profound meaning for my life. They remind me of a valuable lesson from my childhood - you don't n...