Boeing announced sweeping cost-cutting measures Wednesday after reporting a first-quarter loss of $641 million following the hit to the airline business from the coronavirus pandemic. The aerospace giant plans to reduce its workforce by 10 percent through a combination of voluntary and involuntary layoffs and will slash production of its main commercial planes, including the 787 and 777, Chief Executive David Calhoun said in a message to employees that accompanied an earnings release. jmb/dw