Poor People's Campaign rallies in Washington to mobilize low-income voters

Demonstrators gathered in Washington on Saturday for the Poor People's Campaign to protest inequality. (Jose Luis Magana/AP)

In 1968, Martin Luther King Jr. organized low-income Americans of different backgrounds in a march on Washington known as the "Poor People's Campaign."

Over 50 years later, thousands of protesters gathered Saturday to deliver that same message at the Poor People's and Low-Wage Workers' Assembly and Moral March on Washington and to the Polls.