"We have different political roots," he said in a recent interview.
The group also seeks to address the broader social and political roots of immigration.
Since the end of the 1990s, several incarnations have sought to return to the political roots.
Most also have clear political, ethnic, sectarian or cultural roots.
Still, he went straight to the political root of the matter.
"The investigation which was made upon the Harvard researchers had political roots," he said after a news conference today.
The movement failed to take political root on the hard ground of the Irish troubles.
He sees his lack of political roots, like the Mayor's, as a strength.
The band remains committed to its progressive and political roots.
We will have views about the political roots of terrorism.