CHICAGO (Reuters) - Muslim cab drivers at Minnesota's biggest airport are facing a possible crackdown for refusing to give rides to travelers carrying liquor or accompanied by dogs, an official said on Wednesday. The Metropolitan Airports Commission has authorized a public hearing next month on a staff proposal to increase penalties for refusing fares, spokesman Patrick Hogan said. A large number of taxi drivers in the area of the Minneapolis-St. Paul International Airport are Muslim Somali immigrants. Many of them say they feel the faith's ban on alcohol consumption includes transporting anyone carrying it. Some have also refused to transport...