The man who attacked a group of people in Boulder, Colo., as they called for the release of Israeli hostages held in Gaza was charged with a federal hate crime Monday after telling police he researched for a year to find a “Zionist group” to target and asserting he would do it again, the U.S. Department of Justice said in an affidavit. A total of 12 people were injured, one of them a Holocaust survivor, when 45-year-old Mohammed Sabry Soliman attacked them with a “makeshift flamethrower” Sunday afternoon outside the Boulder County Courthouse downtown. Michael Dougherty, district attorney for the...