WASHINGTON, DC - SEPTEMBER 25: (L-R) Madame Peng Liyuan, U.S. First Lady Michelle Obama, Chinese President Xi Jinping and U.S. President Barack Obama pose for photographers on the North Portico ahead of a state dinner at the White House September 25, 2015 in Washington, DC. Obama and Xi announced an agreement on curbing climate change and an understanding on cyber security. (Photo by Chip Somodevilla/Getty Images)