In this Feb 12, 2015 file photo made from video and released by WBRZ-TV in Baton Rouge, Albert Woodfox walks into a courthouse in Louisiana. Woodfox, the last inmate of a group known as the "Angola Three" has pleaded no contest to manslaughter and a lesser offense in the 1972 death of a prison guard and is expected to be released Friday after more than four decades in prison. (WBRZ-TV via AP, File) 

Mary Peveto, founder of Neighbors for Clean Air, says arsenic and chromium discharged into the air are among an array of cancer-causing poisons in the air that have been watched in North Portland for more than a decade without any meaningful action by state regulators. Photo courtesy of Intel Free Press (CC BY-SA2.0) via Flickr. 

National activists Alicia Garza and Opal Tometi spoke at Portland State Tuesday. Photo by Christen McCurdy.  

Tyrone Poole, creator of NoAppFee 

SPLC Founder Morris Dees. Photo via Wikimedia Commons.  

In this Oct. 6, 2015, file photo, former Police Supt. Garry McCarthy and Mayor Rahm Emanuel speak in the City Council chambers in Chicago. For more than a year after officer Jason Van Dyke shot and killed Laquan McDonald, the Chicago Police Department had video footage and autopsy results that raised serious questions about whether other officers on the scene tried in their reports to cover up what prosecutors now contend was murder. The lack of swift action against the officers illustrates the difficulty of confronting the “code of silence” that has long been associated with police in Chicago and elsewhere. (Rich Hein/Sun-Times via AP File) 

In this Jan. 27, 2016, file photo, rancher Cliven Bundy stands along the road near his ranch in Bunkerville, Nev. Bundy, the father of the jailed leader of the Oregon refuge occupation, and who was the center of a standoff with federal officials in Nevada in 2014, was arrested in Portland on Wednesday, Feb. 10, the FBI said Thursday, Feb. 11, 2016. (AP Photo/John Locher, File)