Washington (AFP) – US Treasury Secretary Janet Yellen this week will call on her counterparts in major economies to ramp up the economic pain on Moscow over its invasion of Ukraine, a senior official said Monday. The fallout from the war and the impact on the global economy will be key topics of discussion during the spring meetings of the IMF and World Bank, which began Monday. Finance officials from the G7 and G20 nations also will meet this week. “The secretary believes the Russian invasion of Ukraine has demonstrated the need for the world’s largest economies to stand together to defend in…