Does Columbia Want to Elect Donald Trump?

Disorder is the Republican’s best friend.

‘Let’s finish what they did in 1968,” a Columbia protester said the other day.

In political terms, that would mean electing Donald Trump.

The disorder of 1968 — when LBJ declined to run again and Hubert Humphrey, Richard Nixon, and George Wallace faced off — played right into the hands of Nixon, who rode his opposition to the riots and campus unrest into the White House.

As Luke Nichter writes in his book on the 1968 campaign, The Year That Broke Politics, “the great debate of the campaign,...