
By TOM KRISHER
After the case was settled and GM recalled the cars, congressional subcommittees summoned CEO Mary Barra to Washington. Staffers demanded thousands of documents from GM and parts maker Delphi.

By TOM KRISHER
After the case was settled and GM recalled the cars, congressional subcommittees summoned CEO Mary Barra to Washington. Staffers demanded thousands of documents from GM and parts maker Delphi.