Judy Woodruff:

Next, an effort to revive a famous movement of the sixties focused on reducing poverty, inequality and tackling social justice.

But with such a broad agenda, will it find enough support at a polarized time?

We start with a look at the campaign that began 50 years ago.

Shortly before his death in 1968, Dr. Martin Luther King Jr. expanded his civil rights campaign to include calls for economic justice. He called for an economic revolution that included protection and services for the poorest Americans.

He would call it the Poor People's Campaign.