"Looking for the hidden gem." That, to Mike Slezak, is the point of crossover; the place where his breakout success dovetails with a personal passion that has now evolved into a way of life. "Which means trying to ask questions in a different way," he elaborates. "Not making assumptions, looking a little closer." To the many who first encountered Slezak in his American Idol debrief shows, the next stage of the analogy will make perfect sense. "It's scouting for a contestant like David Cook," he explains. "No-one thought he was...