The EU’s foreign policy attention has recently focused on Kosovo, but it is Bosnia that has always been the bigger and more dangerous challenge. That country's decline can still be arrested, provided the EU wakes up, the new US administration gets engaged, and both renew their commitment to Bosnia's survival as a state, by maintaining an effective troop presence and beginning the process of strengthening the international community's approach long-term, including finding ways to untie Bosnia's constitutional knot.