The model was grounded 18 months ago after two deadly crashes.
This week, congressional investigators provided the most scathing account yet of what went wrong.
CBS News’ Kris Van Cleave reports.
Congress summons Boeing's CEO to testify on its jetliner safety following new whistleblower charges
A Senate subcommittee has opened an investigation into the safety of Boeing jetliners, intensifying concerns about the..
SeattlePI.com