How the farm-workers' leader Cesar Chavez galvanised Latinos in 1960s America, inspiring the slogan "Yes We Can!"

In the 1960s, a wave of strikes and protest marches by Mexican-American farm-workers inspired Latinos across the US.

The movement was led by Cesar Chavez - a man now regarded by his community as a civil rights hero.

Witness speaks to Dolores Huerta, who worked closely with Chavez and coined the slogan "Yes We Can!"