"Bring your hangover" to this New American "neighborhood staple" in Dupont Circle (or its glossy new Silver Spring branch) for the bottomless liquid brunch that draws a "young" crowd at "the crack of noon" on Sunday – though it's also "worth a stop" at other days and times for a "nice mix" of "basics and more adventurous dishes"; other niceties include a "kind" staff, "reasonable" tabs and a...