"At the heart of the First Amendment lies the principle that each person should decide for him or herself the ideas and beliefs deserving of expression, consideration and adherence," said U.S. District Judge Robert Pitman.

How can we explain the horrors of the Holocaust to American young adults when 66% of them have no knowledge whatsoever of Auschwitz? The rise in violent and public acts of anti-Semitism over the last year and troubling data about high levels of ignorance make it clear that we must do more. We must empower our youth to educate each other, to dig deep and help their fellow millennials comprehend and connect with the atrocities of the Holocaust.

The Slovakian prosecutor general said the People's Party Our Slovakia is an extremist group whose activities violate the country's constitution and its goal is to destroy the country's democratic system. The party openly admires the puppet state under whose rule some 60,000 Slovak Jews were transported to Nazi death camps during World War II.

Activists had targeted Netta Barzilai even before her win in last year's Eurovision song contest, calling on voters to award her zero points. She said over the past year she has encountered angry protests across Europe as well. Barzilai: "I personally think it is bullying to artists. … My business isn't representing. My business is music, and my business is spreading light and love."

In the moments after the shooting stopped, Rabbi Goldstein said he wrapped his bloodied hand in a prayer shawl and addressed congregants gathered outside the building, vowing to stay strong in the face of the deadly attack targeting his community.