Hirsi Ali's labors brought her to Theo Van Gogh.

CENTERFORSECURITYPOLICY: Hirsi Ali's challenge to humanity

In the Netherlands, Mohammed Bouyeri, who had confessed in court to killing Theo van Gogh , a controversial film-maker, and said he would be ready to do it again, was sentenced to life in prison without parole.

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It already holds about 700 Van Gogh letters, mostly to his brother Theo.

BBC: A new book of Van Gogh's letters is to be published in 2008-9