“Will it have any relevance in 2013 the way it did in the Dust Bowl?”
You can bet your sweet a$# Spielberg will make sure it does . ..in SPADES!
He will make absolutely SURE that everyone walking out of the film will have a renewed (or brand new, as the case may be) hatred for Conservatism and Capitalism. BANK ON IT!
To these kids “hardship” is when their smart phone loses signal. No way they are going to identify with Okies of the 1930’s.