I just read this book, and it's fan-fucking-tastic. I think I want to read it over again. It explains in a fast-paced, extremely engagingly way how the right-wing spent 50 years building their juggernaut and then used September 11th to accelerate it. An excerpt:
It has taken more than half a century for the right wing to achieve the power that it now enjoys in American politics, and it is unrealistic to imagine that its successes can be quickly reversed. There is no reason, however, to expect that turning the tide will take another half century. Information and events move quickly today, and people possess tools for organizing that did not exist in the past, such as the Internet. Solutions often do not become clear until after the fact, but hopefully some lessons can be drawn from studying how the right has organised itself.
You can start studying with this book. Read an excerpt here and also check out the authors Sheldon Rampton and John Stauber's website PR Watch.org here.