Racial and ethnic discrimination

In this Wednesday, Sept. 11, 2019 photo shows part of an alleyway mural in downtown Laramie, Wyo., that honors the Black 14. The Black 14 were black athletes dismissed from the University of Wyoming football team in 1969 for seeking to protest racism by wearing black armbands in a game against Brigham Young University. The university plans to dedicate a plaque honoring the group at War Memorial Stadium on Friday. (AP Photo/Mead Gruver)

From left, Democratic presidential candidates Sen. Amy Klobuchar, D-Minn., Sen. Cory Booker, D-N.J., South Bend Mayor Pete Buttigieg, Sen. Bernie Sanders, I-Vt., former Vice President Joe Biden, Sen. Elizabeth Warren, D-Mass., Sen. Kamala Harris, D-Calif., entrepreneur Andrew Yang, former Texas Rep. Beto O'Rourke and former Housing Secretary Julian Castro participate Thursday, Sept. 12, 2019, in a Democratic presidential primary debate hosted by ABC at Texas Southern University in Houston. (AP Photo/David J. Phillip)

FILE - In this March 19, 2019 file photo, Democratic presidential candidate Beto O'Rourke gestures during a campaign stop at Keene State College in Keene. After a mass shooting in his hometown, Democrat Beto O’Rourke has again remade his White House bid. (AP Photo/Charles Krupa)

FILE - In this Friday, Dec, 12, 2014 file photo Emmerson Mnangagwa, left, then Vice President of Zimbabwe chats with Zimbabwean President Robert Mugabe after the swearing in ceremony at State House in Harare. Mugabe, the former leader of Zimbabwe forced to resign in 2017 after a 37-year rule whose early promise was eroded by economic turmoil, disputed elections and human rights violations, has died. He was 95. (AP Photo/Tsvangirayi Mukwazhi, File)

FILE - In this Oct. 29, 2018, file photo, a person pauses in front of Stars of David with the names of those killed in a deadly shooting at the Tree of Life Synagogue, in Pittsburgh. The two mass shootings and a presidential tweet put a spotlight on the idea of “domestic terrorism,” adding momentum to a debate about whether such attacks should be classified and tried in the same way as crimes against America by foreign terrorist groups and their supporters. (AP Photo/Matt Rourke, File)

FILE - In this Oct. 29, 2018, file photo, a person pauses in front of Stars of David with the names of those killed in a deadly shooting at the Tree of Life Synagogue, in Pittsburgh. The two mass shootings and a presidential tweet put a spotlight on the idea of “domestic terrorism,” adding momentum to a debate about whether such attacks should be classified and tried in the same way as crimes against America by foreign terrorist groups and their supporters. (AP Photo/Matt Rourke, File)

Democratic presidential candidate former Vice President Joe Biden speaks during a campaign event at Keene State College in Keene, N.H., Saturday, Aug. 24, 2019. (AP Photo/Michael Dwyer)

In this photo taken on Monday, Aug. 26, 2019, a crashed car, in which police say South African businessman Gavin Watson was killed, is loaded onto a pick-up truck in Johannesburg. Police say an embattled South African businessman mired in corruption allegations died in a fatal car crash Monday in Johannesburg. Gavin Watson, CEO of African Global Holdings was a former anti-apartheid activist who emerged as a key figure in an ongoing high-profile inquiry into state corruption. (AP Photo)

FILE - In this Aug. 23, 2018, file photo U.S. Senatorial candidate and former Maricopa County Sheriff Joe Arpaio rides on his campaign bus in Phoenix. Nearly three years after he was voted out of office, the former metro Phoenix sheriff pardoned by President Donald Trump on a conviction related to rounding up immigrants in the country illegally is going after his old job. (AP Photo/Matt York, File)