By EVELYN E. SMITH Illustrated by CAVAT I was psick of Psi powers, not having any. Or didn't I? Maybe they'd psee otherwise psomeday! I walked into the dining room and collided with a floating mass of fabric, which promptly draped itself over me like a sentient shroud. "Oh, for God's sake, Kevin!" my middle brother's voice came muffled through the folds. "If you can't help, at least don't hinder!" I managed to struggle out of the tablecloth, even though it seemed to be trying to wrap itself arou