The authors write in support of what they view as the 'radical center'.

In the 1980s and 1990s, several authors contributed their understandings to the concept of the radical center.

Ranchers and environmentalists who came to the meeting call themselves members of "the radical center."

This common intersection point r is the radical center.

Tangents drawn from the radical center to the three circles would all have equal length.

The political left and right are dead; all the action is being generated by a radical center.

The moderate middle could not be more different, in style and goals, than the radical center.

The urgent quest for a radical political centre, 1 September 2007.

The three radical axes meet in a single point, the radical center, for the following reason.

S is the radical center of the three excircles.