Nothing to smile about Posted: February 17, 2004 1:00 a.m. Eastern © 2004 David H. Hackworth "For the want of a nail, the shoe was lost; For the want of the shoe, the horse was lost; For the want of a horse, the rider was lost; For the want of the rider, the battle was lost; For the want of the battle, the kingdom was lost; And all for the want of a nail." Swap "nail" for "tooth" in Ben Franklin's epigram and you've captured part of the plight of today's U.S. Army. For the past three years, about one...