Thousands of people again took to the streets in cities in Israel on Saturday evening, demanding the release of hostages held by Hamas and new elections. At the largest rally in the coastal metropolis of Tel Aviv, Noa Argamani, a hostage who was freed three weeks ago, sent a video message. “Although I am back home, we must not forget the hostages who are still being held captive by Hamas,” she said. “And we must do everything possible to bring them home.” Argamani and three other hostages were freed during an Israeli military operation in the Gaza Strip. Similar protests calling for the hostag…