In addition to rebuilding Iraq,hundreds of powerful delegates at the meeting will also discuss the future of the Middle East and business and economics in the Arab world. On the sidelines will be a meeting of the so-called Quartet dealing with the Israeli-Palestinian peace process. The Quartet consists of the United Nations, the United States, the European Union and Russia. United Nations Secretary-General Kofi Annan will attend, as will U.S. Secretary of State Colin Powell.