Lucy Goodrich, 3, of Richmond, Va., looks back at the cameras as first lady Michelle Obama signs a book during a visits with families at Fisher House in Bethesda, Md., Wednesday, April 4, 2012. The Fisher House program, at Walter Reed National Military Medical Center, houses military families while a family member is receiving medical care. At left of Obama are Tieya White, Eun White, and Army Major Eunotchol White, at right is Army Staff Sgt. Randy Tharp. (AP Photo/Jacquelyn Martin)