A lifetime of crippling disability is cured overnight By Kathi Goertzen Story Published: May 6, 2010 at 11:15 PM PDT Story Updated: May 7, 2010 at 10:46 AM PDT Ed Impala SEATTLE - Ed Impala is flesh and blood proof there is always hope, no matter what the medical challenge.Ed and his twin brother Frank were born in Redmond in 1956. As a child, Ed could never keep up."My balance was bad. My body was always pulling me back. The fatigue was severe. My parents took me to doctor after doctor, and they'd say, 'He'll outgrow it,'" says Ed.But...