Solidarity Day, June 19, 1968; Solidarity Day chairmen Bayard Rustin and, later, Sterling Tucker; Dean Rusk's son, David Rusk, and his work on Solidarity Day; estimating the number of people expected for the Solidarity Day event; speeches by Ralph Abernathy and Reies Tijerina; plans to make a mule train part of Solidarity Day; arrangements to accommodate the mules going from Alexandria, Virginia, to Washington, D.C.; the condition of the mules; parading the mules after Solidarity Day; plans to impound the mules and arrest the drivers; Walter Fauntroy and the Humane Society's involvement with the mule train and where the mules eventually went; Washington, D.C. demonstrations against LBJ and/or Vietnam; legal demonstration locations; demonstration permit rules and how they are enforced.