WASHINGTON — President Trump offered up a tip for France’s first family to preserve domestic tranquility after his Paris counterpart Emmanuel Macron was publicly slapped by his wife Brigitte on a foreign trip earlier this week.

French president Emmanuel Macron’s relationship with his wife Brigitte is a hot topic after a video emerged in which she appears to push him in the face. The video, taken by The Associated Press, shows the couple arriving in Hanoi,