Boeing CEO addresses loved ones of plane crash victims

Outgoing Boeing CEO Dave Calhoun began his testimony before Senate lawmakers on Tuesday by addressing the loved ones of passengers who were killed in crashes involving the aerospace manufacturer's planes, as the company faces alleged safety concerns over its practices.

"Before I begin my opening remarks, I would like to speak directly to those who lost loved ones on Lion Air Flight 610 and Ethiopian Airlines Flight 302," Calhoun said in his prepared testimony before the Senate Permanent Subcommittee on Investigations.