... I sat across from a guy wearing a Secret Service logo'd polo shirt with the acronym 'C.A.T.' on it.

I can't say for the secret service, but in the Army C.A.T stands for "Crisis Action Team". Steve +-----------------------------------------+---------------------------------+ |VOTE Steve Greenberg for President (2004)| steve@oc3s-emh1.army.mil | | He's "Too Big To Fail!" (tm) | CMR 420, Box 2569 APO, AE 09063 | +-----------------------------------------+---------------------------------+