“Father Mann got a call out of the blue. It was Trump. He asked Father Mann why he was decorating the family grave. After he explained his interest, he said the president sounded amazed and told him they would have to get together the next time he was in New York. Father Mann said he was thrilled to have been called by the president, who he knew to have frequently visited his parents’ gravesite before his election in 2016. Trump speaks fondly of his parents and his older brother, who is interred in the same plot. True to his word,...