Now my Robert was an uncanny soul, yanno a textbook scorpio, who scarcely tired of Three Stooges comedy. Sometime he'd stop a bit on the cable telly. He squeezed shut his eyes. A long wheeze would pass between his lips. The cigarette dangling between his trembling fingers would wag. That's how we knew. Our child and I were frequently astonished by his laughter. "What happened?" we'd ask.

Diversity is the key to economic and political evolution.