The foreign aid agency has failed to advance America’s interests, the US Secretary of State has said Washington has formally shut down its foreign aid agency USAID, Secretary of State Marco Rubio has announced, branding the organization inefficient and a failure in its core mission. Long the primary vehicle for funding political and development projects abroad, USAID had “fallen well below” its obligations to advance US interests, Rubio said in a statement on Tuesday. With more than $715