Join the Fight to End Lupus! An empowering day of hope and passion with over 8000 walkers at Piedmont Park will show Altanta cares and lupus matters! Join the largest LFA Walk in the nation.  Join the Atlanta teams, bring a tent and plan a team picnic.  The Lupus Foundation of America is the only national force devoted to solving the mystery of lupus, one of the world's cruelest, most unpredictab…