There is no "slippery slope" toward loss of liberties, only a long staircase where each step downward must first be tolerated by the American people and their leaders.
Any education that matters is liberal. All the saving truths, all the healing graces that distinguish a good education from a bad one or a full education from a half empty one are contained in that word.
The word liberal distinguishes whatever nourishes the mind and spirit from the training which is merely practical or professional or from the trivialities which are no training at all.