By THE EDITORIAL BOARD of The Washington Post, Oct. 9

[....] We were critical of Republican leaders from early in Mr. Trump’s candidacy for their refusal to stand against the malign sentiments he voiced. It continues to be important, in our view, that they defend tolerance, constitutional norms and other values that Mr. Trump has challenged. But speaking isn’t enough; and getting into Twitter battles with the president, as Mr. Corker did Sunday morning, may not be all that productive.

One avenue open to Congress would be to remove the president from office. If indeed Mr. Trump is so reckless that he could set the nation “on the path to World War III,” as Mr. Corker said Sunday in an interview with the New York Times, this possibility can’t be dismissed. [....]

But Congress is not ready to consider such an option — nor, in our view, should it be. Impeachment is an extreme measure that would roil the nation and should be embarked upon only with clear justification. So we repeat: What is the right response for a congressional majority that understands its president is unfit?

It seems to us the answer falls into two baskets [....]