Amazon and UPS have been quietly fighting over the post office’s cost structure — long before Trump – CNBC
CNBC Amazon and UPS have been quietly fighting over the post office's cost structure — long before TrumpCNBCPresident Trump isn't the only one questioning the post office's pricing strategy. UPS, the shipping giant, has been in a back-and-forth with Amazon in recent years over the post office's cost structure, which has direct impact on how…