ABC NewsBoeing CEO Dave Calhoun will step down at the end of the year, the company said in an announcement Monday.The move comes amid fallout from a high-profile safety failure onboard an Alaska Airlines flight in January, when a door plug blew out of Boeing's 737 Max 9 aircraft while the plane was in flight.In a statement on Monday, Calhoun acknowledged the challenges facing Boeing."The eyes of the world are on us, and I know that we will come through this moment a better company," Calhoun said. "We will remain squarely focused on completing the work we have done together to re...