The Secret Service code names used by 12 presidents and first ladies — and the stories behind them

President Donald Trump's Secret Service code name is "Mogul," and first lady Melania Trump's is "Muse." Here's what other ...
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What is a credit card security code?

Credit card security codes are three-digit codes on the back of your card (four-digits on the front if you have an American Express card) used to verify that have the physical card. You typically ...