On this Labor Day, a look back to 50 years ago – a labor fight, a strike and a legendary march for better wages, improved working conditions and human dignity for farm workers. On June 1, 1966, farm workers in Starr County in the Rio Grande Valley, virtually all of them Latino, left the melon fields. They did the unimaginable and went on strike. They were demanding a $25 dollar-an-hour wage, and improved working conditions, including clean drinking water. The strike was met by derision,