Eight hundred fifty thousand fireworks can light up the sky, but it cannot fix a country that forgets what it is celebrating. We start with the 250th weekend energy in Washington, D.C., including the heat, the crowds, and a fireworks display so massive you could feel it from miles away. Then we talk about one of the most moving parts of the celebration: a patriotic show-and-tell of historic American flags, from Revolutionary War victories to Iwo Jima, paired with the presence of veterans and ...