On today's episode, as part of Variety's annual Business of Broadway celebration, veteran stage producer Sue Frost discusses her work in bringing original musicals to life, including such acclaimed Broadway productions as "Memphis" and "Come From Away." Frost, who is also chair-elect of the Broadway League, explains why her Junkyard Dogs Productions banner is devoted exclusively to launching original tuners, including "The Heart," which opens Oct. 8 at the Roundabout Theatre. "It's a crazy business model, but somebody's got to do it," Frost says.