Scott Pelley is going scorched earth on former boss Bari Weiss. Pelley, a longtime 60 Minutes correspondent and CBS employee since 1989, was fired last week after months of discord between him and Weiss, the founder of The Free Press, who was controversially appointed CBS News editor in chief in October. In Pelley’s resignation letter, he wrote that new management “instructed me to inject falsehoods and bias” into his work. Speaking to The New York Times ’ Lulu Garcia-Navarro on Sunday, Pelley