HBO Chairman & CEO Richard Plepler (top l.) will keynote DEG's Spring Membership Meeting on April 4 at HBO's Manhattan headquarters. Following the keynote, analyst Michael Nathanson (top r.), Founding Partner & Senior Research Analyst, MoffettNathanson Research, and Mitch Lowe, CEO of MoviePass, will participate in a fireside chat titled "The Siren Call of Subscription." Nathanson and Lowe, who previously was President...