The US government fined American Airlines 50millionforfailingtoprovidewheelchairassistancetopassengerswithdisabilitiesanddamagingthousandsofwheelchairsoverafive−yearperiod.TheTransportationDepartmentsaidWednesdaythat“insomecases,”wheelchairuserswereinjured,butitdidnotgiveanumber.Americansaidithasmadesignificantinvestmentstoimprovethehandlingofwheelchairs.Theairlinewillbecredited25 million, or half of its civil penalty, for those investments and comp ...