Usually this happens when they have children and realize that their own flesh and blood is about to face 20 years of socialist indoctrination. I see it as an adolescent level reaction against conservative principles. Of course leftist indroctrination continues. It's a natural reaction to rightist fascism. Most of the younger liberals don't understand their idealistic ideals did'nt work in the '60s-'70s either except for those who still remain semiemotionally retarded today.
Liberalism has that pickeling effect.
So beware that you don't rebel against what i'm saying to hard, which is what most liberals do, as they all think they are so original and intellectual as they try to reinvent the wheel. Cutting One can not discuss commencement speakers without mentioning Mumia Abu Jamal, a convicted cop killer, who is rapidly becoming a cult hero of the tenured radical left. Last year Mumia gave the address at Evergreen College, this year at Antioch College. Fox YAF keep up your courageous work. Having spent the first 30 years of my life as a cryto Marxist, my life experience permits me to comment on the lefts tactics and beliefs.