Thanks to a partnership between Northwest Airlines and the nonprofit Fisher House Foundation, travelers can donate their miles from the airline's WorldPerks frequent-flyer program to help service members wounded or injured on the battlefields of Iraq and Afghanistan. Northwest is providing travel through the use of donated WorldPerks miles for wounded or injured service members to take leave or pass from military hospitals, and for their families to visit them at their bedside. Jim Weiskopf, Fisher House spokesman, said the Northwest program is the second airline partnership involving the foundation. The first one, with American Airlines, uses donated "AAdvantage Award"...