Southwest pilots union says Boeing may be trying to hasten 737 MAX return

WASHINGTON (Reuters) - The head of the Southwest Airlines Co pilot union Wednesday sharply criticized Boeing Co and questioned whether the manufacturer was trying to speed up the timeline for the 737 MAX's return to service.Boeing's best-selling 737 MAX has been grounded since March, after two deadly crashes in five months killed 346 people, and it has come under harsh criticism from U.S. lawmakers.Jon Weaks, who heads the Southwest Airlines Pilots Association (SWAPA), said in a note to pilots..