Tagg Romney considering Senate run for some reason

Remember Mitt Romney? He was this rich guy who ran for president because his dad wanted to be president, a long time ago. He didn't win. Running for president to fulfill your dad's legacy and then losing is, you would think, the sort of thing that would sour your family on electoral politics, but it might've just inspired an endless cycle of running-for-things-to-honor-your-dad. That is really the only explanation I can come up with for this news: