Necessary to "democracy" is equality under the law both as written and as APPLIED. In the US, many government actions based on laws which are on their face "neutral" have been ruled illegal because the application of the law is not equal. Enforcement of a speed limit against only one race is illegal and courts here will invalidate such arrests. Theere can be no ambiguity about equality between races, religions, ethnic groups, genders, age groups in a true democracy.
from the article: ANALYSIS / Lieberman's loyalty oath isn't unconstitutional, it's unwise