The neo-cons constitute a radical reactionary fringe of the planning spectrum, but the spectrum is narrow.

The rise of capitalist practice and morality brought with it a radical revision of how the commons are treated, and also of how they are conceived.

Congressional Republicans are dismantling the limited environmental protections initiated by Richard Nixon, who would be something of a dangerous radical in today's political scene.

The 14th Amendment was recognized right away to be problematic. The concept of person was both too narrow and too broad, and the courts went to work to overcome both of those flaws.

The major advances in speed of communication and ability to interact took place more than a century ago. The shift from sailing ships to telegraph was far more radical than that from telephone to email!

With the development of industrial capitalism, a new and unanticipated system of injustice, it is libertarian socialism that has preserved and extended the radical humanist message of the Enlightenment and the classical liberal ideals that were perverted into an ideology to sustain the emerging social order.