Expresien Joven (Voice of Youth) has traveled all across the Dominican Republic during the last year and half under the sponsorship of provincial and national student groups, cultural clubs and workers' organizations to carry their message. In June of 1973, the group joined the solidarity campaign to free all political prisoners, a movement with tremendous support from all sections of the population. Last December, they recorded the song 'Open the Jail House Doors Mr. President,' which quickly became the anthem of the movement...