I grew up on the coastal plains of Texas. Clouds were an important part of my childhood. Flat on my back in the thick St. Augustine grass, the clouds stood still as I drifted past them. Odd faces appeared and then magically morphed into dolphins or fast cars. As the third of eight kids, one of my favorite middle-child games was to step back, lift my arm, then frame a sibling's head between my fingers. With no effort at all I could squeeze that pitiful...