Trump won’t commit to peaceful transfer of power if he loses

https://apnews.com/article/election-2020-virus-outbreak-voting-elections-voting-fraud-and-irregularities-8bb28627b03474a3a5ce2454ae3d1639

Has this question been asked of any other President in the history of the Presidency?

This question is right up there with:

Have you stopped beating your wife?

Have you ever been caught masturbating in the closet?

Answer yes or no, How much is 2 + 2?