Police officers respond to a shooting at the Olympia Einkaufzentrum shopping center on Friday in Munich, Germany. Joerg Koch/Getty Images hide caption
As balloons fell after Republican presidential candidate Donald Trump accepted his party nomination last night, the Rolling Stones' "You Can't Always Get What You Want' rang through the arena. Jim Watson/AFP/Getty Images hide caption
Runners compete in the marathon at the 2012 Paralympics in London. The International Paralympic Committee said Friday it is investigating reports of widespread doping among Russia's disabled athletes and is considering banning the entire Russian team from the Paralympics in Brazil in September. Emilio Morenatti/AP hide caption
Guards watch over a single cell area in an acute unit of the mental heath unit at the Harris County Jail in Houston in 2014. Eric Gay/AP hide caption
Donald Trump accepted the Republican nomination for president on Thursday, the fourth day of the Republican National Convention, at the Quicken Loans Arena in Cleveland. Tasos Katopodis/Getty Images hide caption
Zimbabwean President Robert Mugabe delivers the keynote address during Zimbabwe's 36th Independence Day celebrations in February in Harare. Tsvangirayi Mukwazhi/AP hide caption
Gabriel Pendas (left) protests outside the North Miami Police Department on Thursday. The department held a news conference about the police shooting of a black behavioral therapist helping a man with autism. Zachary Fagenson/Reuters hide caption
GOP presidential nominee Donald Trump speaking during the final night of the Republican National Convention in Cleveland. Meg Kelly/NPR hide caption
Facebook's unmanned plane takes off in Arizona on June 28 for its first full-scale test flight. The solar-powered plane is designed to deliver wireless Internet to the ground as it flies over. Facebook hide caption
Fox News CEO Roger Ailes in his New York City studios in 2006. Ailes served as CEO from Fox News' first day in 1996. Jim Cooper/AP hide caption
A woman dries clothes in a failed maize field in the north of Malawi. Amos Gumulira/AFP/Getty Images hide caption
Republican presidential candidate Donald Trump takes the stage on the final evening of the Republican National Convention. Win McNamee/Getty Images hide caption
Relatives of passengers on Malaysia Airlines Flight 370 hold placards following a joint news conference on the search for the missing airliner Friday. The search will be suspended if nothing turns up in the current area, officials say. Mohd Rasfan/AFP/Getty Images hide caption
New analysis of stored samples taken from athletes at the Beijing and London Summer Olympics has turned up 45 cases of banned substances. Here, urine samples are recorded upon arriving at the China Anti-Doping Agency in Beijing in 2008. Robert F. Bukaty/AP hide caption
French flags are seen lowered at half-staff in Nice on July 16. The truck attack on July 14 killed 84 people. "I felt coming to celebrate on holiday and people are in mourning didn't seem right," one vacationer says. "But I'm glad I came." Valery Hache/AFP/Getty Images hide caption
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Neil deGrasse Tyson, the famous astrophysicist, is also a great oenophile and lover of food. Beth Lebwohl hide caption
Republican presidential candidate Donald Trump delivers his nomination acceptance speech to conclude the Republican National Convention in Cleveland. John Moore/Getty Images hide caption
Entrepreneur Ivanka Trump praised her father's business sense and ability to "see potential in others" in her speech introducing Donald Trump at the Republican Convention on Thursday. Chip Somodevilla/Getty Images hide caption
Peter Thiel, co-founder of PayPal, delivers a speech during the final evening session of the Republican National Convention. Alex Wong/Getty Images hide caption
Vice presidential candidate Mike Pence addresses delegates on Wednesday evening at the Republican National Convention. Jim Watson/AFP/Getty Images hide caption
Six-year-old Heavenly Joy sings "America the Beautiful" to open the final night of the Republican National Convention. Robyn Beck/AFP/Getty Images hide caption
Republican presidential nominee Richard Nixon signals V for victory after accepting his party's nomination at the Republican convention in Miami on Aug. 8, 1968. AP hide caption