FILE - With protesters in the audience, Boeing CEO Dave Calhoun arrives at a Senate subcommittee hearing to answer to lawmakers about troubles at the aircraft manufacturer. Ike Riffel , a California father whose two sons, died in 2019 when a Boeing 737 Max jetliner crashed in Ethiopia, fears that instead of putting Boeing on trial, the government will offer the company another shot at corporate probation through a legal document called a deferred prosecution agreement, or DPA. (AP Photo/J. Scott Applewhite, File)