He explores some of these policies, including: offshore balancing, which calls for the U.S. to focus its offshore capabilities on Europe, the Persian Gulf, and Northeast Asia, using favored regional powers to check the rise of potentially-hostile powers; and the Nixon Doctrine, a position expounded by ex-President Nixon, that every crisis does not warrant American troops and firepower, and that American involvement can engender resentment and blowback in American society. Walt declares to his readers the folly of grand ambitions and says "doing something" can be far more costly than watching and waiting.[1] Finally, Walt proposes his own foreign policy strategy. He advocates for offshore balancing, a return to diplomacy, and the prioritizing of peace.[2]