WASHINGTON (AP) -- President Donald Trump had two bags of McDonald's delivered to the Oval Office on Monday by a DoorDash driver he tipped $100, using his favorite food and a reality TV flourish to promote a tax policy he says has meant big rebates for Americans who earn gratuities. Sharon Simmons, dressed in a "DoorDash Grandma" T-shirt, walked up to the Oval Office's exterior door and knocked as media cameras rolled. Trump popped out and said, "Hello. Nice to see you," before proclaiming, "Loo