Boeing CEO to face Capitol Hill grilling

WASHINGTON – Boeing CEO Dave Calhoun will likely face tough questions when a Senate panel grills the executive on safety problems, manufacturing missteps and alleged efforts to intimidate whistleblowers.The hearing, an examination of “Boeing’s Broken Safety Culture,” follows an April session of the Senate Permanent Subcommittee on Investigations featuring a Boeing engineer who testified that he was punished for raising safety questions about the top-selling 787 Dreamliner and 777.”Five years ago, Boeing made a promise to overhaul its safety practices and culture. That promise proved empty,…