Outgoing Boeing CEO David Calhoun apologized Tuesday to the hundreds of families who lost loved ones in crashes of the company’s 737 MAX jets — then faced scathing rebukes from senators who accused the company of placing profits over lives. “I apologize for the grief that we have caused,” Calhoun said, standing and facing a roomful of victims’ relatives who packed a Capitol Hill hearing room, many of them holding posters with names and images of those who had died. “And I want you to know we...