If you’ve walked down 14th Street NW recently, you may have noticed a few doors down from Café Saint-Ex (14th and T sts) a covered-up window with a tiny sign reading “Bar Pilar” in a font that bares a striking resemblance to that of Saint-Ex. El Camino Real is no more, enter Ernest Hemingway. According to the Washington Business Journal (second item), the folks that created Café Saint-Ex are crafting Bar Pilar as a “late…