On December 22, 2007, Michael E. O'Hanlon and Jason H. Campbell of the Brookings Institution called Iraq's economy and political system to be "only marginally better than a year ago".[73] The envoy to Iraq reported on the dialogue between the Sunni and Shia communities and praised the government's work in late 2007. The envoy, Staffan de Mistura, said he would present a positive picture of progress in Iraq in a report to the UN Security Council despite earlier serious misgivings. He said, "At the beginning of [2007]... we were genuinely concerned by the lack of progress on national dialogue, today that has substantially changed.