A new free-trade agreement is under negotiation in the Asia-Pacific. If the talks are successful, the Trans-Pacific Strategic Economic Partnership Agreement (TPP) will bring closer together at least 11 economies in East Asia and the Americas. But it faces many hurdles, and raises broader geopolitical issues. For example, China, the world’s second-largest economy, is not part of the negotiations, and may see the TPP as an effort to contain its growing power.