A growing number of American Jews are taking courses on firearm safety and going to shooting ranges around the country as they fear for their safety following Hamas’ attack on Israel. More Jewish customers have been buying guns amid the rise of antisemitism following the Hamas attacks on Oct. 7, according to David Kowalsky, who owns the Florida Gun Store in Hollywood, Fla. “We’ve definitely seen a tremendous increase in religious Jewish people, Orthodox people purchasing firearms,” Kowalsky told NBC News. “I’ve seen a surge in individual training as well as group training.” Many of those Kowalsky and other firearms...