A judge agreed Friday to postpone Donald Trump’s sentencing in his hush money case until after the November election, granting him a hard-won reprieve as he navigates the aftermath of his criminal conviction and the homestretch of his presidential campaign.Manhattan Judge Juan M. Merchan, who is also weighing a defense request to overturn the verdict on immunity grounds, delayed Trump’s sentencing until Nov. 26, three weeks after the final votes are cast in the presidential election.It had been scheduled for Sept. 18, about seven weeks before Election Day. The new date is the Tuesday before Thanksgiving.Merchan wrote that he was postponing the sentencing “to avoid any appearance — however unwarranted — that the proceeding has been affected by or seeks to affect the approaching presidential election in which the Defendant is a candidate.””The Court is a fair, impartial, and apolitical institution,” he added, writing that his decision “should dispel any …