Treasury Secretary Mnuchin doubles down on decision to delay putting Harriet Tubman on the $20 bill for 10 more years

· Mnuchin doubled down on the move to delay putting Harriet Tubman on the $20 bill, saying it wouldn't happen before 2030.
· The Treasury secretary called it a "myth" he was involved in the decision, even as the Obama administration had launched the effort and sought to unveil a bill this year.
· Mnuchin held off on saying...