Written by DCist contributor Whitney Satin When the concession stand line up at Nationals Park was announced in late February, fans rejoiced knowing that, regardless of the game’s outcome, they’d leave the new stadium having enjoyed some classic D.C.-area good eats. The arrival of Ben’s Chili Bowl, Cantina Marina, Hard Times, and Five Guys have given us plenty of combinations to douse our half-smokes and fries in chili and queso. But, for those of us…