▁of ▁the ▁lower ▁courts ▁on ▁the ▁basis ▁that ▁Norwegian ▁Cru ise ▁L ines ▁was ▁a ▁business ▁head qu arter ed ▁in ▁the ▁United ▁States ▁whose ▁clients ▁were ▁pre domin antly ▁Americans ▁and , ▁more ▁important ly , ▁operated ▁out ▁of ▁port ▁facilities ▁throughout ▁the ▁United ▁States . ▁ ▁Ol m st ead ▁v . ▁L . C . ▁ ▁Ol m st ead ▁v . ▁L . C . ▁was ▁a ▁case ▁before ▁the ▁United ▁States ▁Supreme ▁Court ▁in ▁ 1 9 9 9 . ▁The ▁two ▁pla int iffs ▁L . C . ▁and ▁E . W . ▁were ▁institution al ized ▁in ▁Georgia ▁for ▁diagn osed ▁mental ▁ret ard ation ▁and ▁sch iz op hren ia . ▁C lin ical ▁assess ments ▁by ▁the ▁state ▁determined ▁that ▁the ▁pla int iffs ▁could ▁be ▁appropri ately ▁treated ▁in ▁a ▁community ▁setting ▁rather ▁than ▁the ▁state ▁institution . ▁The ▁pla int iffs ▁su ed ▁the ▁state ▁of ▁Georgia ▁and ▁the ▁institution ▁for ▁being ▁in app ropri ately ▁treated ▁and ▁hous ed ▁in ▁the ▁institution al ▁setting ▁rather ▁than ▁being ▁treated ▁in ▁one ▁of ▁the ▁state ' s ▁community ▁based ▁treatment ▁facilities . ▁ ▁The ▁Supreme ▁Court ▁decided ▁under ▁Title ▁II ▁of ▁the ▁A DA ▁that ▁mental ▁ill ness ▁is ▁a ▁form ▁of ▁dis ability ▁and ▁therefore ▁covered ▁under ▁the ▁A DA , ▁and ▁that ▁un just ified ▁institution al ▁isol ation ▁of ▁a ▁person ▁with ▁a ▁dis ability ▁is ▁a ▁form ▁of ▁disc rim ination ▁because ▁it ▁"... per pet u ates ▁unw