Well... pretty libertarian. If you aren't into that ideology or dislike authors who use their books for preaching in general, think twice whether you read it. (I can't confirm it myself, but someone here on the board mentioned that in one of his books he has a twelve-year-old girl buying a gun and some drugs at the shop... and means it seriously)
The ATL? Quite amusing and not that bad... once you accept the POD (Washington lynched, Gallatin becoming president, turning the US into a libertarian state), of course... and don't find it strange how easily the libertarian "empire" grows until all the world is libertarian.