WASHINGTON, Sept. 11, 2006 -- They represented a cross-section of America -- thousands of men, women and children of all ages, races and backgrounds from every corner of the country -- and came together yesterday during the second annual America Supports You Freedom Walk here to pay tribute to those killed on Sept. 11, 2001. Two soldiers who understand firsthand the loss of Sept. 11, 2001, cross Memorial Bridge during the America Supports You Freedom Walk. Army Spc. Cindy Davis from Headquarters Company at Walter Reed Army Medical Center, lost two uncles, both firemen, in the World Trade Center....