Four people in two states have been arrested as part of an investigation into the Final Exit Network, an organization that police believe helped a Georgia man end his life in June, authorities said Thursday. Black, a 55-year-old former Ku Klux Klan Grand Wizard, isn’t the only person who holds such firm beliefs, according to the Southern Poverty Law Center, which today released its annual hate group report. The center’s report, “The Year in Hate,” found the number of hate groups grew by 54 percent since 2000
