Rouhani also said that the US-sponsored Warsaw conference on the Middle East and Iran was a “failure” “America has employed all its power against us,” he said LONDON: Iranian President Hassan Rouhani said on Wednesday that Tehran and Washington tensions were at “a maximum,” state broadcaster IRIB reported. Rouhani also said that a conference on the Middle East and Iran organized by the United States in Polish capital Warsaw this month was a “failure.” “The struggle between Iran and America is currently at a maximum. America has employed all its power against us,” Rouhani said in a cabinet meeting.