Dave Calhoun, Boeing’s chief executive, will appear before a Senate investigative panel and plans to apologize for the company’s high-profile safety incidents. Airlines and Airplanes, Aviation Accidents, Safety and Disasters, Workplace Environment, Boeing 737 Max Groundings and Safety Concerns (2019), Boeing Company, Workplace Hazards and Violations Dave Calhoun, Boeing’s chief executive, will appear before a Senate investigative panel and plans to apologize for the company’s high-profile safety incidents. NYT > Business