Yes, the Missing Whites Matter
The Republican Party could involve, in part, reaching out to these voters by altering the GOP's economic platform and messaging.
My conclusion is that Republicans should pay attention to the concerns of the millions of alienated working-class voters who sat out the 2012 election because the GOP needs them — not at the exclusion of minority voters, many of whom are also working class, but in addition to them — to form a winning coalition in the future.