. "Scharf said the show, which he also helps produce, is a fun yet challenging experience. ???Hosting is more difficult than I had imagined???keeping the flow of follow-up questions going, spreading them out evenly among the guests, and keeping an eye on the clock,??? he said. ???There was a steep learning curve, but the folks at WCPN have been very good at mentoring me, and they say I???ve been" . . .