By The Reliable SourceApril 22, 2013By The Reliable SourceApril 22, 2013Share— Michelle Obama dining with a group of friends at Cork Wine Bar Sunday evening — her first time at the 14th Street restaurant, which has been in town just a little longer than she has.More Hey, isn’t that . . .? and even more sightings. . . Had a sighting? Share it at email@example.com.Support our journalism. Subscribe today.arrow-rightMore Reliable Source: White House Correspondents’ dinner; Reese Witherspoon; Kevin Spacey; Neil Diamond; Sen. Tom CoburnToday's HeadlinesThe most important news stories of the day, curated by Post editors and delivered every morning.