"Welcome to Washington, tourists! Enjoy your time here, and please, stand to the right, walk on the left, and if the escalator is broken (like it was today), just walk. :)"
"It's most crowded in the mornings and on weekends."
"Walk fast during rush hour, even if you're not in a hurry. It's just polite and people appreciate it."
"Don't be afraid to ask for help or advice. The regulars really know their booze. Best liquor store in Dupont."
"Get the chicken salad from downstairs... Its really good."
"In Soviet Safeway, fruit picks you! ... because there's no selection, that is."