On Saturday, Emhoff, 56, shared a photo from the sweet surprise on Instagram. "This Valentine's Day weekend, our hearts are with the health care heroes working around-the-clock to support our country during this difficult time," he said. "I'm so glad Veterans Affairs Secretary Denis McDonough and Kari McDonough could join us as we thanked the hardworking staff at the DC VA Medical Center." This year will mark Harris and Emhoff's first Valentine's Day since her historic Jan. 20 swearing-in ceremony. Last August, Harris and Emhoff, who wed in 2014, celebrated their sixth wedding anniversary. "@...