Senate Majority Leader Chuck Schumer (D-N.Y.), the first Jewish Senate majority leader in history and a staunch ally of Israel, faces a tricky divide in his caucus and the broader Democratic Party over how to respond to the attacks against Israel. Schumer must navigate the growing tensions between Democratic allies of Israel and progressive Democrats who want Israel to de-escalate its reprisals in the wake of the attacks. Israeli airstrikes have killed more than 1,500 people in Gaza, including nearly 500 children, according to the Palestinian Ministry of Health, and the enclave is running out of fuel and medical supplies...