By Charlotte Greenfield ISLAMABAD (Reuters) – More than 70 economists and experts, including Nobel Laureate Joseph Stiglitz, called for Washington and other nations to release Afghanistan’s central bank assets in a letter sent to U.S. President Joe Biden on Wednesday. The letter said foreign capitals needed to return the roughly $9 billion in Afghan central bank assets to Da Afghanistan Bank (DAB) to allow the economy to function, despite criticism of behaviour by the ruling Taliban towards women and minorities. “The people of Afghanistan have been made to suffer doubly for a government they d…