Sign up now: Get ST's newsletters delivered to your inbox Mr Charles Kushner, in a public letter to French President Emmanuel Macron, has accused France of a “lack of sufficient action”. PARIS - A diplomatic row between the United States and France escalated on Aug 25 when Washington decided to stand firmly behind its ambassador’s criticism of the French response to a rising tide of anti-Semitism. US ambassador Charles Kushner, the father of US President Donald Trump’s son-in-law, was ordered to report to the French foreign ministry on Aug 25. But, as Mr Kushner was absent, the US embassy’s charge...