I agree with those who are under the understandment that 700 people are A LOT to greet, sign, shake hands, little chit chat, during the MIDDLE of a tour.  Its not her fault many showed up, again as one poster said, first come, first serve, I don't find only 100 people getting their books signed is embarrassing, when your in the middle of a tour, with only an hour to spare and press wants their cameras up your nose for 20 minuets or more, its to be expected.  
However she is the most wondefully youthful 44 looking woman I have EVER seen O_O :mellow:  She looks like she could still be in her 20s, Bless her, with all the stress and life she manages to look beautiful still..