We're not spying on the neighbors. Really, we're not. Maybe it's a performance art project and they want us to watch and wonder. We thought for a while they were auditioning ideas for an M. Night Shyamalan film. Whatever is happening, we can't stop staring and wondering. It started when the landscapers arrived. They tore up the whole back yard, installed a sprinkler system, planted a border garden, and laid a new sod lawn. It all looked nice and normal. It looked, in fact, like someone was trying a little too hard to be nice and normal. But maybe that's just me. Before I go any further, I just want to say: I am not Jimmy Stewart in Rear Window. I don't sit at home in a wheelchair and watch my neighbors through binoculars. For one thing, I keep the wheelchair in the garage and, also, I don't wear pajamas all day long. So now... to get back to the neighbors... A few days later, a long yellow extension cord was dragged across this perfect little arca