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

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A cell at New York's Rikers Island jail. About 1,000 people die in American jails every year, and about a third of those are suicides. Seth Wenig/AP hide caption

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Christy O'Donnell, who has advanced lung cancer, is one of several California patients suing for the right to get a doctor's help with prescription medicine to end their own lives if and when they feel that's necessary. YouTube hide caption

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New York state's 2013 gun law includes a ban on the sale of so-called military-style assault weapons like this AR-15 rifle. Charles Krupa/AP hide caption

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