I’ve only read Warren Ellis’ run on The Authority before reading Ed Brubaker’s Revolution (Book 1). The Authority is the Wildstorm universe’s Justice League analogue, except rather than just maintaining the status quo they take an active role in getting governments to behave better.
In this book, Jack Hawksmoor God of Cities, has taken over the presidency of the United States and is on his way to making the world a better place whether people like it or not. Renewable energy for everything, healthcare and all the good stuff. But not everyone is happy about it. The Authority has to deal with a rebellion by a bunch of “patriotic” superheroes who are much more powered than they used to be. And Midnighter (the Authority’s Batman analogue) has been brought into the future by Apollo (the Authority’s Superman analogue) to see what a terrible fascist dystopia the Authority hath wrought with the best of intentions. Midnighter is sent back to try and make sure that future doesn’t come to pass.
It’s a good story about politics and superpowers that deals with things differently than the mainstream DC or Marvel continuity really would.
My big problem with this book is that the VPL doesn’t have book two, so I haven’t been able to learn how it ends yet.