Hamas's attack on Israel has given rise to the largest-scale hostage crisis in the country's 75-year history. About 200 people have been captured and taken into Gaza, according to the Israeli military. Over the course of the Arab-Israeli conflict, armed Palestinian groups have taken dozens of Israelis captive. The vast majority have been Israeli Defence Force (IDF) soldiers, which have been used by various Palestinian groups to secure the release of thousands of Palestinian prisoners. This time, Hamas officials have demanded the release of 6,000 people from Israeli prisons in exchange for the men, women and children taken since 7...