President Donald Trump has reinstalled a button on the Oval Office desk that alerts White House staff when he wants a fresh can of Diet Coke. The Oval Office, perhaps the most famous room in the White House,

President Trump reinstalls the famous Diet Coke button on the Oval Office desk, along with other personalized changes marking his return to the White House.

The carefully selected items in the Oval Office reflect the American president's preferences, including a button for ordering Coca-Cola