"Everybody at the top pretty much agrees we want to have an orderly transition, " Raben says.

NPR: Obama's Transition Team Gets To Work In D.C.

He was working out of the offices of The Raben Group, a Washington lobbying firm where he keeps an office.

WSJ: Union: NY mayor threats postmarked Shreveport, La.

Glaze happened to open the letter while sitting outside over the Memorial Day weekend, said the firm's founder, Robert Raben.

WSJ: Union: NY mayor threats postmarked Shreveport, La.

"The task is anywhere from enormous to overwhelming, " says Robert Raben, a consultant who has worked for Democrats in Congress and at the Justice Department.

NPR: Obama's Transition Team Gets To Work In D.C.

"I'm very concerned about our employees and co-workers and clients, " Raben said by phone Wednesday, adding that the firm would do whatever needed to ensure safety.

WSJ: Union: NY mayor threats postmarked Shreveport, La.

"There will be strong and loud conversations in the general counsels' offices throughout the agencies about what should happen between Nov. 5 and Jan. 20, " Raben says.

NPR: Who's At The Top Of Obama's Schedule?