Robert Trump, baby brother of Donald Trump, has had a curious turn in the spotlight these last couple of weeks, as he has repeatedly tried to prevent the publication of Too Much and Never Enough, a new memoir by his and the president’s niece, Mary L Trump. In the book, Uncle Rob has only a bit part to play — the youngest child of five who took the path of least resistance, sliding into the executive chair of his father’s business, a mostly passive bystander to the central drama between Donald and Mary’s father, Freddy. Still, Mary doesn’t strip Rob