Scott Galloway can be annoying. In his book, Notes on Being a Man , he admits as much. A serial entrepreneur, popular podcast host, and marketing professor at New York University’s Stern School of Business, Galloway is also not especially humble, but age and the experience of raising two boys prompted him to revisit his own childhood and to consider what it means to be a man in the 21st century. The picture he paints is grim: He sees "a generation of young men from all backgrounds who are (a)