ThereÂ’s been a good bit of discussion and hand-wringing lately over whether the American public is becoming more and more politically polarized and what this all means for the future of our democracy. You may have wrung your own hands over the issue. But even if you have, chances are youÂ’re not losing sleep over the fact that Americans are very clearly becoming more polarized linguistically. It may seem surprising, but in this age where geographic mobility and instant communication have increased our exposure to people outside of our neighborhoods or towns, American regional dialects are pulling further apart from...