In addition to supporting the policies and initiatives of the State Department, INR contributes to the President's Daily Briefings (PDB), ensures U.S. intelligence operations meet the nation's foreign policy interests, and serves as the federal government's primary source of foreign public opinion research and analysis. The Bureau is strictly analytical and does not engage in counterintelligence or espionage, instead utilizing Foreign Service reports and open-source materials, such as news media and academic publications. INR reviews and publishes nearly two million reports and produces about 3,500 intelligence assessments annually.