I live near Washington, DC, and since much of the action takes place in the area, it was fun to read about places I know well. The idea that the President has a special force of secret agents, each with his/her own handler seems a bit farfetched, but no more than the premises of other thrillers. I did think the idea of an American agent helicoptering across Russia without any concern from that country's authorities stretched the reader's imagination too much. The author does seem to confuse Alexandria and Arlington at one point, but that's a minor quibble. It's an entertaining, easy-to-read book.