Retired Army Lt. Gen. Robert Caslen, pictured in 2014 when he was superintendent of the U.S. Military Academy, resigned Wednesday as president of the University of South Carolina. Mike Groll/AP hide caption
plagiarism
A reporter with the German publication Der Spiegel has admitted to fabricating material in news stories. picture alliance via Getty Image hide caption
Melania Trump, wife of Republican presidential candidate Donald Trump, speaks during the opening day of the Republican National Convention in Cleveland. J. Scott Applewhite/AP hide caption
Robert Plant and Jimmy Page of Led Zeppelin are defendants in a copyright lawsuit that accuses their band of lifting music from the song "Taurus" by the Los Angeles band Spirit. Laurance Ratner/WireImage hide caption
Comedian Ari Shaffir performs at the 2015 Bonnaroo Music and Arts Festival in June in Manchester, Tenn. Shaffir has said fellow comedian Carlos Mencia stole his joke about who would build a fence on the U.S.-Mexican border. Copyright on jokes is difficult to prove, and it turned out two other comedians had made similar jokes as well. John Davisson/Invision/AP hide caption
This week, a judge in Pennsylvania moved forward with a lawsuit against the members of Led Zeppelin and their music publishers. The band is accused of plagiarism. Dario Cantatore/AP hide caption
This photo of children playing outside at a day care center in Norway appeared on the NPR.org version of the GlobalPost story. Alf Magne Andreassen/Flickr hide caption
Jimmy Page, Robert Plant, and John Bonham of Led Zeppelin, in 1970. A new lawsuit says the group borrowed from another band's work without crediting it, for the huge hit "Stairway to Heaven." Roger Jackson/Getty Images hide caption
Sen. Rand Paul, R-Ky., is sorry for the plagiarized material in his speeches and op-eds. And he thinks some journalists are just plain sorry. Jose Luis Magana/AP hide caption
English poet and novelist Rudyard Kipling poses in 1925. Hulton Archive/Getty Images hide caption
Catherine Middleton, the duchess of Cambridge, walking in Grimsby, England. A "jointed doll"? Getty Images hide caption
Jonah Lehrer attends a panel discussion in conjunction with the World Science Festival in 2008. Thos Robinson/Getty Images hide caption
Jonah Lehrer attends a panel discussion for the World Science Festival in 2008. Thos Robinson/Getty Images hide caption
The video of a woman's public execution by the Taliban in Afghanistan circulated on the Internet early this month. youtube.com hide caption