[Lancey Howard]

...they desperately seek for a perceived safe solution that they hope will assuage their fears. This almost always results in collectivist solutions at the cost of individual liberty where the collective directs peoples' lives through big-mommy government policies.

This is a terrific analysis, although trying to pin the causes on upbringing may be a little strained.
How about this?: liberals simply have weak character; at their core, iberals are weak people - - they are born that way.

[DeprogramLiberalism]

No. Liberalism is a societal conditioning. There are many possible factors, of course (that is why I have written 22 essays about it). But think about the conservative high school student that goes off to college and comes home a few years later a liberal activist. They weren’t born that way. The evolved into it.