> Changing social class has always been very difficult It's been very difficult in part because 150+ years of Marxist tradition has not been able to define wha

> Changing social class has always been very difficult It's been very difficult in part because 150+ years of Marxist tradition has not been able to define what a class is. Upwards social mobility by other metrics such as wealth and income, both intra- and inter-generation, is actually provable and real.