A bright red rash appeared on the top of my feet this past week. The spots were almost, but not quite symmetrical in their appearance. At my age, I feared the worst. Could this be the start of some awful skin disorder that will eventually spread upward, consuming my legs, torso and eventually my face? Could this be the beginnings of the heartbreak of psoriasis? Or even worse, could it be that strange disease that pro golfer Phil Mickelson has — psoriatic arthritis. He's the guy featured in a TV