Many critics have accused Donald Trump of being a “nepo baby” in the Trump Organization given how much he inherited from his father. Yet, in a new book, Trump rails against the idea of children getting to where they are based on the success of their parents. More than halfway into “Apprentice in Wonderland,” writer and reporter Ramin Setoodeh recalls the 2009 blowup after Trump fired Melissa Rivers from the show. Stories have surfaced about Trump pretending Rivers’ mother, Joan, was somehow a Republican and a supporter of his. Trump even went so far as to say that she voted for him in 2016 fro…