Tomorrow marks the beginning of the High Level Forum on Aid Effectiveness in Busan, Korea. The United States is attending with a particularly high power delegation, led by Secretary Clinton, to underscore U.S. leadership abroad on technical and political aspects of development policy. The U.S. government heads into the forum with a handful of priority themes, including country ownership, partnerships with the private business community and philanthropists, and transparency, sustainability and results. The United States seeks to be a leader in these areas and has the rhetoric to match, but much more needs to be done to connect the language of commitment to the reality of U.S. development activities. With the right balance of pressure and political space, the Busan forum may present the opportunity for the United States to step up its game, especially on transparency and results.