In this image taken from video on Jan. 15, police officers Edward Sarama (from left) and Robert McGuire try to talk to officer Matt Dougherty, who is pretending to be mentally ill, during a training simulation at Montgomery County Emergency Service in Norristown, Pa. Michael Rubinkam/AP hide caption

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President Obama signs H.J. Res 124, which includes appropriations to train and arm moderate Syrian rebels. For now, the effort will be paid for from an account meant to wind down the war in Afghanistan. Evan Vucci/AP hide caption

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A Ravens fan trades in her Ray Rice jersey Friday after he was cut from the team over allegations of domestic abuse. Patrick Semansky/AP hide caption

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Low water levels, like at this reservoir near Gustine, Calif., bring birds and mosquitoes together and help transmit West Nile virus to humans. Rich Pedroncelli/AP hide caption

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A plane flies over the Bardarbunga volcano as it spews lava and smoke in southeast Iceland on Sept. 14. The Bardarbunga volcano system has been rocked by hundreds of tremors a day since mid-August, prompting fears the volcano could explode. Bernard Meric/AFP/Getty Images hide caption

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Syrian Kurds with their livestock wait behind a border fence near the southeastern town of Suruc in Sanliurfa province on Monday. Some 100,000 Kurds have fled from Syria into Turkey amid intense fighting between peshmerga forces and ISIS. Murad Sezer/Reuters/Landov hide caption

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Students and teachers attend a rally during the class boycott at the Chinese University of Hong Kong on Monday. Thousands of students have braved sweltering heat to demand greater democracy for the territory. Tyrone Siu/Reuters/Landov hide caption

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No amount of training can undo the violence someone experienced at home as a child, but it can help break the cycle. Pamela Albin Moore/iStockphoto hide caption

itoggle caption Pamela Albin Moore/iStockphoto