CNN — As three pistol-holding Jewish women aligned their muzzles with the outdoor targets at the Magen Am gun range in Piru, California, one of the shooters-in-training – Dani, a granddaughter to Holocaust survivors on both sides of her family – fired a single shot. “Whoa,” Dani said as her earmuffed head tilted slightly back after the bullet pierced the cardboard, as if amazed at the power of the weapon she gripped. “Good, finger off the trigger, go ahead and put it down,” said the firearms instructor teaching the women how to defend themselves amid the recent spike in antisemitic...