BY ALEX LAUER @ALEXLAUER After a winter storm left hundreds of motorists stranded on Interstate 95 in Virginia earlier this month, many for over 24 hours, we were left with plenty of questions. What went wrong on a governmental level that led to this? How could similar traffic shutdowns be avoided in the future? What should we be carrying in our cars in case of an emergency like this? The most perplexing question of the bunch was a hypothetical one: what would have happened if all of these cars — stuck on icy roads in the snow in temperatures that...