This is an American point of view. It does have a goodly amount of truth, at the same time it does not take into consideration the difference in the circumstances between America and Israel. Yes, Lieberman and Israel Beitanu are extremists and dangerous. They are not the only ones, but to go as far as the USA has today in legitimizing criticism of the government can do just as much damage. We must protect our democracy - but in our own way.
PM postpones Israel-Germany summit marking 50 years of diplomatic ties (Haaretz)
from the article: Israeli democracy can't afford to be victimized any further