The United States, as the world's only superpower, is leading the global community in opposing Russia's aggression against Ukraine, as well as other threats, U.S. President Barack Obama said on Nov. 15.
Russia's War Against Ukraine
Reuters: Obama says Russian aggression against Ukraine a threat to world
Australia's Prime Minister Tony Abbott (L) and US President Barack Obama as they meet 'Jimbelung' the Koala before the start of the first G20 meeting in Brisbane on Nov. 15, 2014.
