NEW YORK--(BUSINESS WIRE)--Today, American Express (NYSE:AXP) announced the opening of The Centurion Lounge in Miami International Airport (MIA), its first location in the Southeast U.S., and fifth in the country. Located in the North Terminal in Concourse D, The Centurion Lounge in MIA will provide 8,000 square feet of space for Card Members to recharge and reboot on the way to their final destination. Access to the Centurion Lounge network is exclusive to American Express Card Members, and a