U.S. senators question Amazon CEO about firing of warehouse protest leader

(Reuters) - Five Democratic lawmakers on Wednesday wrote Amazon.com Inc to raise concern about its firing of a worker who protested warehouse operations during the coronavirus pandemic, according to a copy of the letter seen by Reuters.The letter, addressed to Chief Executive Jeff Bezos, adds to public scrutiny Amazon is facing over the dismissal, at a time when the company is racing to update safety protocols, keep warehouses open and ship essential goods to shoppers who are shut indoors...