Airbus is really excited about an open-rotor engine. Boeing not so much. Listen in as Aviation Week's Guy Norris explains the background behind his recent story on Boeing's current assessment of CFM International's RISE open fan concept. He is joined by colleagues Jens Flottau, who weighs in on the strategic implications, and Sean Broderick, who provides an update on how Pratt & Whitney is managing issues with its GTF engine. Hosted by Joe Anselmo.