Changes
'''Radical''' is marked by a considerable departure from the usual or [[tradition]]al, Extreme; tending or disposed to make extreme changes in existing views, habits, conditions, or institutions : of, relating to, or constituting a political group associated with views, practices, and policies of extreme change : advocating extreme measures to retain or restore a political state of affairs.<ref>http://www.m-w.com/dictionary/radical</ref>
A '''radical''' (in political history) was a member of the [[left-wing]] party in the [[French]] National Assembly and refers to many modern [[leftist]]s (particularly liberal activists those such as [[Obama]]-mentor and friend [[Bill Ayers]], [[Bernardine Dohrn]], [[Herbert Croly]], [[Saul Alinsky]] and [[Bobby Seale]]). It is also commonly used by self-identified radical [[lesbian]] [[separatist]] [[feminist]]s such as [[Andrea Dworkin]] and [[Angela Davis]].
In [[mathematics]] a radical is a square root or other root.
