An appropriate Nazi metaphor from a holocaust survivor.
Here:

The United States is now recognizing the errors it had made in Iraq, he said, adding, “To what extent it recognizes the mistake will determine its future.” Mr. Soros said Turkey and Japan were still hurt by a reluctance to admit to dark parts of their history, and contrasted that reluctance to Germany’s rejection of its Nazi-era past.

“America needs to follow the policies it has introduced in Germany,” he said. “We have to go through a certain de-Nazification process.” (Emphasis Mine)