Exclusive: Ethiopian Airlines CEO on the future of Boeing MAX planes

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In an exclusive interview with NBC’s Tom Costello, Ethiopian Airlines CEO Tewolde Gebremariam speaks out about whether or not his airline will ever fly a Boeing 737 Max 8 again following the deadly crash in March that left 157 dead. Watch more tonight on “NBC Nightly News” at 6:30 p.m. ET / 5:30 p.m. CT.