Leaders of the Group of 20 major economies began arriving on Monday at Rio de Janeiro's Modern Art Museum for their annual summit, bracing for a shift in the global order with the return to power of U.

With Brazil preparing to host the Group of 20 summit, it appears unlikely the leading rich and developing nations will sign on to a meaningful declaration regarding geopolitics: The meeting Monday and Tuesday in Rio de Janeiro is overshadowed by two major wars and Donald Trump's recent election victory.