WLAN shielding

Speaking on Deep Background, the Press Secretary whispered:

Uhm, dumb question. If it is that important, why are you using
wireless at all? Why not install a cheap switch/hub in the middle of the
conference table and let people plug a patch cord from the hub to their

I have to agree. It's really insane to use the least-secure
technology possible, and then spend a forture making it safe.
Is the OP working at a Beltway Bandit, perhaps ;-?

Plus, it only makes sense to run Wiremold w/ outlets down the
table so users can plug in; it's not Rocket Science to provide
a parallel run of Ethernet jacks...