Ralph Lauren and La Roche-Posay: These are a few of my favorite things from Amex at the US Open

It’s the last week of August, which means tennis fans from New York City and around the world are hopping on the Queens-bound 7 train for one reason and one reason only: The U.S. Open tennis championship is back at the USTA Billie Jean King National Tennis Center. From Aug. 26 through Sept. 8, attendees …