Charles Kushner, father of president’s son-in-law Jared, had been summoned to explain US comments relating to death of far-right activistDonald Trump’s ambassador to France has been banned from meeting French government ministers after failing to show up for a meeting at the foreign ministry to explain US comments about the killing of a far-right activist.Charles Kushner, whose son Jared is married to the US president’s oldest daughter, Ivanka, was summoned to the 7pm meeting by the foreign mini...