As we head out of Dr. Martin Luther King Day into the South Carolina Democratic primary, the Democratic presidential contenders repeatedly invoke Dr. Martin Luther King, Jr.‘s legacy in their campaigns. We speak with Grace Lee Boggs, the legendary 92-year-old civil rights activist, who has been pivotally involved with the civil rights, black power, labor, peace, environmental justice, Asian American and feminist movements. Bogg recalls King’s legacy in terms of “a radical revolution of values against the giant triplets of racism, materialism and militarism.” [includes rush transcript]