Time for the first edition of: What is that smell? Bike riding home down 19th street, between Kalorama & Biltmore (which just sounds like it's a street that would smell funny, doesn't it?), around 8:30 pm on a weeknight. What is that smell? My theory, as I scrunch my nose up in disgust, is a big dumpster full of stuff people should be composting. Yup, it smells like really rotten food. Walking along 18th street on a Friday, Saturday or Sunday during daylight hours. Reminds me (fondly? No, definitely not) of Castro street in SF during Sunday AM runs. I think it's puke from the night before, mixed with alcohol and cigarette butts. Can't be sure, but it is definitely not a pleasant odor. Hallway of our apartment complex, first floor, generally Thursday evenings: cigarette smoke mixed with macaroni and cheese? Not sure but it smells like someone either burned their dinner and decided cigarettes might cover up the stench. Or maybe it's their Thursday Night Treat. I p...