Hell, I've found plenty of these "liberals" endorsing Holocaust deniers and apologizing for blatant bigots. Not to offer a pass to Hagee, but to call on others to be more consistent in challenging antisemitism when it comes from the left, here's what Hagee has said. The quote is taken from Shmuel Rosner (unfortunately, no more direct link - scroll down):
What has been disappointing has been to see my life's work - the great passion of my life ? mischaracterized and attacked. I have dedicated my life to combating anti-Semitism and supporting the State of Israel. In taking a stand for Israel I have received death threats from anti-Semites and neo-Nazis, and I've had the windows of my car blown out beneath the windows of the rooms in which my children slept. To hear people who know nothing about me or my life's work claim that I somehow excuse the Holocaust is simply heartbreaking.
Let me be clear -- to assert that I in any way condone the Holocaust or that monster Adolf Hitler is the worst of lies. I have always condemned the horrors of the Holocaust in the strongest of terms. But even more importantly, my abhorrence of the Holocaust and anti-Semitism has never stopped with mere words.
I have devoted most of my adult life to ensuring that there will never be a second Holocaust. I have worked tirelessly to eliminate the sin of anti-Semitism from the Christian world and to ensure the survival of the State of Israel.
The fact is that all people of faith have had to wrestle with the question of why a sovereign God would allow evil in the world. After Auschwitz, this question became more urgent than ever.
Many people simply could not explain how a loving God would permit such horrors. After the Holocaust, they abandoned their faith in a sovereign God who intervenes here on earth. While I disagree with this conclusion, I would never denigrate those who arrived at such a conclusion.
But I and many millions of Christians and Jews came to a different conclusion. We maintained our faith in a sovereign God who allows both the good and the evil that is in the world. We therefore search the scriptures for an explanation for that evil. We believe that the words of the Hebrew prophets such as Jeremiah may help us understand the mind of God. But our search for an explanation for evil must never be confused with an effort to excuse it.