CHICAGO — Relatives of people taken hostage by the terrorist group Hamas called for increased efforts to release more than 200 captives during a vigil held Wednesday evening in a Chicago synagogue. Shani Segal, whose cousin and husband were taken hostage during the initial Oct. 7 attack, called on the U.S. government and international community to step up the pressure on Hamas to release the captives. “We want the whole world to stand with us and to help free the hostages,” she said. “She was such an advocate for human rights,” Segal later said of her cousin, Rimon Kirsht. “She stood for every...