Ruby Wilcox is looking forward to an entertaining and profitable weekend as a vendor at the annual Mystic Creek Harvest Festival, held at a Hill Country ranch. Her booth is full of all kinds of magical, mystical wares: crystals and cards, rune stones, pendulums, dream catchers, wind chimes, and wands. The festival--famous for its artists, crafters, and fabulous folk musicians--attracts all sorts of Texans from all across the state. Still, Ruby is...