Hamas agreed this week to a peace deal pushed by Trump to end the war in Gaza and return the hostages, two years after the terror group attacked Israel on Oct. 7, 2023.

Israel and Hamas have signed off on the first phase of the U.S.-proposed Gaza deal, allowing for the release of all Israeli hostages, U.S. President Donald Trump announced on Wednesday.

If the pieces continue to fall into place — and that's far from certain in this combustible corner of the world — it would be a moment of vindication for a president derided by critics as a diplomati...