Because you never know what trivial bit of information may ultimately prove to be vitally important.
Ok, I have to ask, are those Russian re-enactors of the Battle on the Ice? Yes, I see them getting "wanded" by security. 'Scuse me, Mr. Rent-a-cop, those long stick-thingies with the sharp metal bit on top? Yeah, that negates you checking them for contraband.Nevermind, I found the pic here, from during Bush's last visit with Ukraine's prez.