ROFL. Peter, fatherhood is making you funnier.
glasseater, are you in the Jim Rose Circus Sideshow or anything? My wife went to high school with Mr. Lifto, who stroke a strikingly tweedy pose as president of the young Republicans at the time. He went through a bit of a life change.
Okay, blatant thread hijack. Sorry.
On the shielding question, I'd get some Axioms and move the KLH's to Zone 2. The old "give it a try and see what happens" method could work too. Absent those options, you *might* be able to find some heavy flashing at HD and mount it inside the cabinet or something. I'm totally speculating and I am not a metallurgist.
Is it beer-thirty yet?