Donald Trump's name appears on skyscrapers, golf courses, fragrances, watches, trainers, Bibles, and even products that have little to do with property or politics. To critics, it is relentless self-promotion. To supporters, it is savvy branding. But according to his niece, Mary Trump, there is a much deeper reason behind his need to stamp his name on almost everything. Speaking during a one-on-one interview on 'The Joy Reid Show', the psycholog…