https://www.reuters.com/article/us-ethiopia-airplane-congress/u-s-transport-chief-questions-boeing-decisions-on-737-max-safety-features-idUSKCN1R81MT

The top U.S. Transportation Secretary questioned on Wednesday why Boeing Co did not require safety features on its top-selling 737 MAX that might have prevented two recent crashes, ahead of a much-anticipated Senate hearing about the airplane.