New Yorkers no longer have a choice: We have to take Andrew Yang seriously. The Democratic primary for mayor is less than two months away and he’s leading the polls as the eight identifiable candidates begin to invade our lives with TV ads. Yang is winning mostly because of name recognition. He’s famous for being famous. Voters have no idea what he does for a living or what his skills are, but he has a following and he might win. It’s time to consider whether this smooth talker actually knows what he’s talking about. Yesterday he unveiled his affordable housing plan in a 12-minute speech. I’m going to grade it on three criteria: Is it good policy? Is it innovative? Is it achievable?