Member of the opposition accuses U.S. of using talks to buy time . The sides could reach a deal in week , says Israeli minister . And as the President has said , the history of mistrust is very deep . Iran 's proposal was one with a new `` level of seriousness , '' Iran official says . P5+ hundreds , Iran issue joint statement for first time , but it 's short on details .
Member of the opposition accuses U.S. of using talks to buy time . The sides could reach a deal in week , says Israeli minister . Iran 's proposal was one with a new `` level of seriousness , '' Iran official says . P5+ hundreds , Iran issue joint statement for first time , but it 's short on details .