It's not difficult to imagine a line. First, close your eyes. Remember when you were a child and noticed everything about the world: the light stretching just so across the baseball field, the white ... [+]
It's not difficult to imagine a line. First, close your eyes. Remember when you were a child and noticed everything about the world: the light stretching just so across the baseball field, the white ... [+]
Twenty years ago, I took my daughter, Sara, to the ocean for her fourth birthday. She just learned to dog paddle, and proudly walked up to anyone in sight, saying, "I can swim." The sea was calm, so I ... [+]