Family members of victims of the Sept. 11 attacks demonstrate against the decision to transfer the unidentified remains to a repository at the World Trade Center site. Eric Thayer /Reuters /Landov hide caption

itoggle caption Eric Thayer /Reuters /Landov

President Obama pauses after laying a wreath at the National Sept. 11 Memorial at Ground Zero in New York, Thursday, May 5, 2011. Charles Dharapak/AP hide caption

itoggle caption Charles Dharapak/AP