Social class was something that few Americans cared about, but "Downton Abby" has changed all that. Many of our ancestors emigrated to the US in order to AVOID social snubbing, but those who remained had to find their slot in the social pecking order. What determines this?

Unless you’re a Royal (or married to one), it’s confusing, but a new study suggests that the social position of grandparents has a direct effect on which class their grandchildren belong to.
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