Popular opinion can just be at local scale. Hence Tom Lehrer's joke "It takes a certain amount of courage to get up in a coffee house or a college auditorium a

Popular opinion can just be at local scale. Hence Tom Lehrer's joke "It takes a certain amount of courage to get up in a coffee house or a college auditorium and come out in favour of the things everyone else in the room is against like peace and justice and brotherhood and so on"