Can't say I agree with a whole lot in this but it is an interesting perspective. Yes, I do agree there are some big changes but not necessarily in the way this person puts it.
For political observers, 2016 feels like an earthquake — a once-in-a-generation event that will remake American politics. The Republican party is fracturing around support for Donald Trump. An avowed socialist has made an insurgent challenge for the Democratic Party’s nomination. On left and right, it feels as though a new era is beginning.

And a new era is beginning, but not in the way most people think. Though this election feels like the beginning of a partisan realignment, it’s actually the end of one. The partisan coalitions that defined the Democratic and Republican parties for decades in the middle of the twentieth century broke apart long ago; over the past half century, their component voting blocs — ideological, demographic, economic, geographic, cultural — have reshuffled. The reassembling of new Democratic and Republican coalitions is nearly finished.
Read more: This Is What the Future of American Politics Looks Like - POLITICO Magazine