But do advertising agencies agree? Will radio's value in their eyes rise -- or decline -- as new platforms gain in popularity with consumers and with agency clients? At Forecast 2015, November 19, in New York, a panel of agency and radio group heads go head-to-head on the pros, cons, and challenges of radio advertising. If an agency is spending less on radio, why? Does radio really need to change, or is the agency missing something? If it's a perceptual problem, what can radio do -- now -- to solve this powerful medium's image issues? Look at the lineup below.