PALM BEACH, Fla. – From his lair at Mar-a-Lago, Donald Trump sees the sun rising. His sunshine retreat doesn’t allow him to see the sun setting.But it is another of the human senses that may be the most important in this fraught epoch. This may be one of the few times in a century when it is possible to hear history galloping.Ordinarily, it moves in a leisurely walk, other tim...