Tens of millions of Americans live on top of, below, or directly next to their neighbors — which means, statistically speaking, some of us are going to end up in close proximity to an extremely irritating stranger.  The source of annoyance could be someone who appears to be hosting illegal raves every weekend. Or it could be a neighbor whose kids enjoy lobbing balls, toys, trash, food, any object in sight, over the fence. Ugly lawns, heavy-footed walkers, driveway blockers, early morning vacuume