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Boom is building a supersonic airliner capable of carrying 55 passengers at 2,335 kilometers per hour, more than twice as fast as current passenger aircraft.

Bill Weld, Joe Walsh and Mark Sanford write in a Washington Post opinion piece published Friday that the Republican Party has "taken a wrong turn" in letting Trump define the party. They describe the president as "a serial self-promoter who has abandoned the bedrock principles of the GOP."

Bilateral relations have opened a new chapter since the two countries reestablished diplomatic relations in 2005, and China supports Senegal in following a development path that suits its national conditions, Xi said.

Boosted by surging overseas demand, the country exported 134.4 billion yuan (.93 billion) worth of medical supplies abroad, including 50.9 billion masks, 216 million protective suits, 26.43 million infrared thermometers, COVID-19 testing kits for 162 million people and 72,700 ventilators between March 1 and May 16, the General Administration of Customs said on Sunday.

Boeing also declined to comment on the scheduling of the certification flights for the MAX jet. Peter Pedraza, a spokesman for Boeing, told China Daily: "There has been no change to our best estimate of a return to service in the early fourth quarter, and progress in the software continues to support that timeframe."