In what must have been the oddest day of a long and painful trial, attorneys for Norwegian mass murderer Andres Breivik called anti-Muslim extremists to the stand to testify in their client's defense. The men were called to explain their virulently racist conspiracies theories to the court in order to prove that believing in virulently racist conspiracy theories doesn't mean you're insane.
There is no disputing the Breivik is responsible for the deaths of 77 people last year in the worst mass murder in Norwegian history. However, it's become very important to Breivik that he not be considered a mad man. There's the legal matter, of course. If he's found guilty, but sane, the maximum sentence for his crime is 21 years. If he's found not guilty by reason of insanity, he would avoid jail, but would be confined to psychiatric care indefinitely. In either case, there's a good chance that he will never see the light of day again. (Despite the apparent leniency of the Norway's legal system, which has no death penalty, he can be held beyond 21 years if he's considered a danger to society.)
That he systematically murdered 77 people is good enough to prove Breivik insane for most people, no matter how the court rules. But Breivik thinks his legacy is at stake in this proceeding: if he's found to be insane, then his ideology and the cause would be discredited while he rots away in a hospital. So he's trying very hard to prove that he's not insane. His argument: he is not alone, that his beliefs are shared by many, and that the people who fail to heed his warnings are the crazy ones. Even within this twisted logic, it probably does not help his cause to rely on witnesses who sound like crazy people.