[Time is now]

I have to assume you're not from the DC area. All manner of security personnel can get approval to bring in special guests. Rest assured, the person brining him in had clearance in advance.

[dwilli]

One doesn't have to live in foggy bottom to
understand the Secret Service keeps tabs on who is
visiting the White House>

To think that security guards can schedule private
tours so private they have to hide the visitor from
the Secret Service borders on naive.

[dennisw]

bingo!