Samuel H. Friedman, 93, a journalist who twice ran unsuccessfully for vice president on the Socialist Party ticket and was a longtime union activist. In 1952, the Socialist National Party Congress nominated Friedman to join its presidential candidate, Darlington Hoopes. They won 20,203 votes, and in 1956 got 2,044 votes. Over the years, Friedman ran in New York for state senator, lieutenant governor, New York City controller and City Council president. He never won, and earned his living as a journalist and public relations agent. In New York City on Saturday of pneumonia.