President Barack Obama and Vice President Joe Biden meet for lunch with four workers from a local reconstruction project, at the Dupont Circle Shake Shack in Washington, D.C., May 16, 2014.

President Barack Obama and Vice President Joe Biden meet for lunch with four workers from a local reconstruction project, at the Dupont Circle Shake Shack in Washington, D.C., May 16, 2014. Abdullahi Mohamed, Antonio Byrd, Aidin Sarabi, and Meredith Upchurch joined the President and Vice President.