Iran's President Hasan Rouhani speaks at the U.N. General Assembly on Tuesday. With his outreach to the West, he received mostly positive reviews in the U.S., and most Iranians, who are being squeezed by sanctions, also appear supportive. Brendan McDermid/AP hide caption
Iranian President Hasan Rouhani speaks at the United Nations on Tuesday. The U.S. and Iran are taking part in talks Thursday, looking for a possible breakthrough after years of negotiations on Iran's nuclear program. Stan Honda/AFP/Getty Images hide caption
Chinese authorities go to great lengths to censor the Internet and control social media. A 16-year-old was recently arrested under a new law that bars "rumormongering" online. Here, customers use computers at an Internet cafe in Hefei, China, in 2012. Jianan Yu/Reuters/Landov hide caption
Much To Smile About? Iranian President Hasan Rouhani prepares to address the 68th session of the U.N. General Assembly on Tuesday. Frank Franklin II/AP hide caption
A chocolate cake is shaped like Europe, with new EU members Romania and Bulgaria (far right), at a welcoming ceremony for their entry into the bloc on Dec. 14, 2006. Curbs on the movement of citizens of the two countries end on Jan. 1, raising fears in Western Europe of an influx of Bulgarian and Romanian workers. Thierry Charlier/AP hide caption
A man smokes marijuana outside Uruguay's parliament in Montevideo on Wednesday, where lawmakers in the lower house debated and passed a bill that would legalize marijuana and regulate its production and distribution. Matilde Campodonico/AP hide caption
A fresco painting from the Chehel Sotun Pavillion in Isfahan, Iran, depicts Persian warfare during the Safavid dynasty period. Dave Bartruff/Corbis hide caption