U.S. Secretary of State John Kerry (C) meets workers of the Kazakhstan Temir Zholy locomotive plant during a visit in Astana November 2, 2015. Kerry reaffirmed U.S. interests in Kazakhstan on Monday in talks with veteran leader Nursultan Nazarbayev who has lured huge Western investments to his Central Asian state while keeping it in Moscow's political orbit. REUTERS/Brendan Smialowski/Pool