A federal commission has spent two years asking Latinos what they would want in such a museum, and next month the commission will report its findings to Congress, which would have to approve a new museum.
Though the creation of such an institution has support from members of Congress, Interior Secretary Ken Salazar and celebrities like Eva Longoria, building it faces significant obstacles, including budget pressures and a feeling among some in Washington that the Smithsonian should stop spinning off new specialty museums and concentrate on improving the ones it already has.