My purse swung off my shoulder and plopped into my office chair. I went for my coffee cup. Then I noticed the barbecue sauce splattered all over the file cabinet. "Eww . . . this is really gross and weird," I thought as I cleaned it off. The thick red sauce splatters were clinging to tables and desks and file cabinets. Hand-prints told me that someone had eaten a sloppy meal and fondled my cubicle. Weird. A day passed. An...