Remove all the furniture, and spray the floor with a hardwood flooring cleaner or your own mix of 10 parts water to 1 part white vinegar. Gently wipe the floor with a terry-cloth mop or a towel wrapped around a mop head. Close the windows and doors to keep dust contained in the room you're sanding. About $200.
Upside Down Flag. Flying the American flag upside down is an officially recognized signal of distress. Here is the relevant part of the US Code of Laws regarding how to fly the flag when in distress: THE UNITED STATES FLAG CODE Title 4, Chapter 1.
http://www.usa-flag-site.org/forum/displaying-flag-upside-down-5827.html. In my opinion, the bottom line is still what Justice Holmes said in the quote down there at the bottom of this post. A symbol means what the viewer interprets it to mean. If people want to make a political statement by flying the flag upside down, they need to recognize that others may interpret it as disrespect for the national symbol and, by extension, for the nation itself. Peter Ansoff