usually michigan ae would venuee bustling with traffic and tow tourists and people walking to work. winter is hitting the city with a hard punch. nearly 3/4 of the u.s. bracing for bitter cold, digging out as life threatening low temperatures and ferocious winds grip the midwest. it s hard to take a breath in. it s affecting my lungs a little bit. reporter: in wisconsin a 55-year-old man found frozen in his garage after authorities say he apparently collapsed while shoveling snow. slippery roads making travel a nightmare. this dash cam video capturing the treacherous driving conditions in minnesota where police say 193 crashes were reported on tuesday. the windchill at this airport blocking in at 62 degrees below zero. this 13-vehicle pileup in