By Jeffrey Quiggle Study shows a widening wealth gap between young and old, but very recent data hold out hope for Millennials and Generation Z. Since 1980, the gap between rich and poor grew, but a new study suggests the real news is the wealth disparity between young and old. The gains over the last four decades, according to the study, were certainly primarily among those who were wealthier to begin with. It also says younger Americans are likely to be unable to experience the same circumstances that generated the types of wealth gains Baby Boomers have enjoyed. Using the authors’ models, t…