Congress summons Boeing CEO David Calhoun for testimony on safety concerns in the 787 Dreamliner.

Congress summons Boeing CEO David Calhoun for testimony regarding safety concerns on the company's jetliners. The Senate subcommittee's investigation follows new whistleblower charges and will feature a Boeing quality engineer detailing safety concerns in the 787 Dreamliner's manufacture and assembly. The subcommittee's letter states that these issues could result in "potentially catastrophic safety risks."