How did Trump get from $250 million, the upper end of O’Brien’s range, in 2005 to $9 billion today? It’s been 10 years, and an already-wealthy person can make a lot of money in 10 years, but that decade also included a massive economic slump, a crisis in real estate (putatively Trump’s core business), and a 2009 declaration of Chapter 11 bankruptcy by his casino group. One way to get to the $9 billion figure is that, as Jordan Weissmann highlighted, Trump estimates that the value of his name alone is worth more than a third of tha