Technically, I'd say he is right.
lib·er·al (lbr-l, lbrl)adj.1. a. Not limited to or by established, traditional, orthodox, or authoritarian attitudes, views, or dogmas; free from bigotry.
b. Favoring proposals for reform, open to new ideas for progress, and tolerant of the ideas and behavior of others; broad-minded.
c. Of, relating to, or characteristic of liberalism.
d. Liberal Of, designating, or characteristic of a political party founded on or associated with principles of social and political liberalism, especially in Great Britain, Canada, and the United States.
2. a. Tending to give freely; generous: a liberal benefactor.
b. Generous in amount; ample: a liberal serving of potatoes.
3. Not strict or literal; loose or approximate: a liberal translation.
4. Of, relating to, or based on the traditional arts and sciences of a college or university curriculum: a liberal education.
5. a. Archaic Permissible or appropriate for a person of free birth; befitting a lady or gentleman.
b. Obsolete Morally unrestrained; licentious.
n.1. A person with liberal ideas or opinions.
2. Liberal A member of a Liberal political party.