For a generation, national politics has been polarized into two unified blocs with minimal cross-over. The Trump nomination suddenly makes imaginable an election like 1964 or 1972, in which a divisive nomination by one party propels millions of voters across the aisle to the other. But the way to win a 1964 or 1972-like victory is to move to the center, to position the winning candidate as the safe choice. Lyndon Johnson and Richard Nixon ran as candidates of peace and order, against destabilizing radicals.
Via Can Clinton Make Good on Her Opportunity? by David Frum writing May 4, 2016 at TheAtlantic.com.