Response ·
America Is Not in a Zero-Sum Contest with Iran
By Michael O’HanlonWhile we do need to push back against Iran throughout the Middle East, it's unrealistic to expect Tehran to have no influence.

Michael O’Hanlon is a senior fellow at the Brookings Institution, where he specializes in American national-security policy, defense strategy, and the use of military force, His latest book is The Future of Land Warfare (2015).