But, he added, they are "no longer the radical fringe but conventional wisdom."
Others worry that an emerging radical fringe will ultimately harm the preservation movement.
But the man once considered on the radical fringes of his church still has his critics.
He accused them of not wanting to "upset the radical fringe of their own party."
"This whole process has been successful in separating the radical fringe from the Muslim mainstream," she said.
Sympathy with Hezbollah is not limited to the radical fringe.
Whether you know it or not, the radical fringe of the homosexual movement is socialist.
Paradoxically the war would move Lubetkin's work from the radical fringe to the mainstream.
The radical fringe's willingness to resort to violence has long been with us.
Indeed, the radical fringe of the regime can still make a difference.