The combatants have backed each other into a corner, while President Trump has added a volatile new variable by laying down an ultimatum of his own.

Already, Trump’s threat seems to have moved Hamas. On Thursday, the terrorist group said it would return to releasing Israeli hostages “according to the specified timetable.” It’s not clear whether that will satisfy Trump, who has said he wants an end to the drawn out process. Israel has also not yet responded to Hamas’ offer.