Now this is just a question, so please help me out. It seems to me that much of missional theology comes from a more evangelical background, and much of a radical theology comes from the anabaptists. is that right?
Missional theology tends toward equipping the church to participate in the Mission of God by help it shed its heirarchical and institutional baggage, and engage in cultural studies. Radical theology tends toward practicing resistance to an idolatrous culture in a more overtly political and economic manner.
It would seem they both would benefit from a better integration and cross-pollination of ideas and practices (notice how I resisted saying 'conversation') to mutually reinforce one another. It seemed that for a while over the last couple of years that these two streams were flowing together, but I'm not as certain now.
What do you all think?