[Paul Atreides]

has informed the store that Mrs. Clinton is having difficulty keeping up with the expected demand for autographed books.

Yeah, right. She's just afraid of being booed and/or Freeped.

[Angelwood]

Hillary is going to be freeped next week in Fairfax, Virginia and Washington, DC -- that's a fact.

Such an honor to hustle through a reception line as fast as possible to meet and greet the "twofer" ex-co-president who "knew" but "can't recall" when under oath!

[cyncooper]

Yeah, right. She's just afraid of being booed and/or Freeped.

My theories are (in no particular order):

The receiving line idea keeps the peons moving along with little chance of a "scene" being caused, in case a member of the VRWC gets in.

She is not about to put in the effort to put pen to paper for a bunch of nobodies, or

She's afraid her real signature will be analyzed for personality traits and results would not be pretty.