US Secretary of State Antony Blinken on Tuesday urged top Israeli officials to “capitalize” on the killing of Hamas leader Yahya Sinwar’s death in order to secure the release of the remaining hostages held in Gaza and bring the war there to a close – but there is little evidence that either of those aims are within close reach.

After repeated abortive attempts to broker a ceasefire between Israel and Hamas, Blinken was making his 11th trip to the Middle East since the Gaza war erupted - and the last before a presidential election that could upend U.S. policy. Blinken was also ...