Don't call 'em greens: Some golf courses, such as this one in Syracuse, N.Y., are letting their signature green grass go to brown in an effort to save water. Dennis Nett/The Post-Standard/Landov hide caption

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In Chicago, nearly nine out of 10 low-level marijuana busts result in a dismissal. hide caption

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Chicago Teachers Union President Karen Lewis speaks to reporters after casting her ballot in a strike authorization vote. Teachers voted overwhelmingly to authorize the first strike in 25 years if the city and the union can't come to terms this summer. M. Spencer Green/AP hide caption

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The Rev. Ralph Abernathy (from left), the Rev. Dr. Martin Luther King Jr. and Bayard Rustin leave the Montgomery (Ala.) County Courthouse in 1956. Rustin, who was gay, was the main organizer of the 1963 March on Washington. Gene Herrick/AP hide caption

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Three years ago, Rufus McDonald found historic documents in an abandoned house and took them to a rare-books dealer. The papers and books belonged to Richard T. Greener, a 19th century intellectual who was the first African-American to graduate from Harvard University. Cheryl Corley/NPR hide caption

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Dannaer Fields, who went by Donna, is shown in this undated photo. She was one of three people killed in Friday's shootings in Tulsa, Okla. Courtesy Of News On 6 hide caption

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Alvin Watts (left), 33, and Jacob England, 19, were arrested following an appeal to the public to help police solve the five shootings that happened Friday. A police spokesman said the two face three counts of first-degree murder and two counts of shooting with intent to kill. AFP/Getty Images hide caption

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Florida State Attorney Angela Corey (center) has been assigned to lead the investigation into the shooting death of Florida teenager Trayvon Martin. Kelly Jordan/The Florida Times-Union hide caption

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Rep. Jesse Jackson Jr. and his wife, Chicago alderman Sandi Jackson, ask each other for their support and votes as they arrive at a polling station for early voting in Chicago on March 9. M. Spencer Green/AP hide caption

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