President Obama and first lady Michelle Obama showed some affection in public on Wednesday, making a number of flirtatious remarks at a military event. “I never get to do anything with my husband. I haven’t seen him in three days. This is a nice date!” the first lady told the crowd at Joint Base Langley Eustis in Hampton, Va., before inviting the president to take the stage. She added, “You’re lookin’ good!” In the rare joint appearance, the president was also ready to serenade his wife, beginning his 15-minute speech with, “I hate following Michelle. She’s so good. How lucky...