It was wonderful to see the St. Regis Hotel in Washington! 5 Facts: Signature Suite is the Presidential Suite 2nd oldest St. Regis in U.S.A. St. Regis Washington D.C.Offering a Blind Tasting of Exclusive Vintages at RdV Vineyards Washington D.C.: A day trip to the renowned RdV Vineyards Estate at the foot of the Blue…