Russian Prime Minister Vladimir Putin speaks at an international investment forum in the Black Sea resort of Sochi earlier this month. Despite efforts to push U.S.-Russia business ties, obstacles remain: Close friends of Putin dominate boardrooms, while businessmen who have not supported the current government have found themselves the victims of hostile takeovers. Alexei Druzhinin/AP/RIA Novosti hide caption

itoggle caption Alexei Druzhinin/AP/RIA Novosti

Treasures are displayed Thursday as part of the "Staffordshire Hoard," the U.K.'s largest collection of Anglo-Saxon treasure ever found, at the Birmingham Museum in Birmingham, England. Christopher Furlong/Getty Images hide caption

itoggle caption Christopher Furlong/Getty Images