PHOENIX – Canadians Ian and Heather Stewart are savoring the idea of leaving behind this winter’s subzero temperatures when the U.S. reopens its borders to nonessential land travel next week and they launch a long-delayed drive to their seasonal home in Fort Myers, Florida.PHOENIX – Canadians Ian and Heather Stewart are savoring the idea of leaving behind this winter’s subzero temperatures when the U.S. reopens its borders to nonessential land travel next week and they launch a long-delayed drive to their seasonal home in Fort Myers, Florida.