Here’s another perverse possibility: a) Yes, Trump’s statements about Mexican immigrants are already so toxic they destroy whatever hope the GOP had of winning many more Latino votes in 2016; but b) that will force the eventual GOP nominee , probably not Trump, to pursue the alternative “Rust Belt” strategy — harvesting white working class votes — that actually has always been a better bet (since Latinos weren’t going to switch to the GOP next year anyway) but was resisted by the business- and donor-oriented GOP establishment because the latter favored more immigration and immigration amnesty. …