American Express just revealed its biggest airport lounge expansion ever

American Express is making another big bet on airport lounges, and its next expansion includes what will become the largest Centurion Lounge in its network. The company announced plans to open new Centurion Lounges at Newark Liberty International Airport and London Heathrow Thursday, along with plans to significantly expand its existing spaces in the Philadelphia and Houston airports. American Express is calling it the largest expansion of the Centurion Lounge network to date. The headline...