Yes, he’s young (34), yes, he’s Muslim (still a mystery to me why this is such a big deal), and yes, he beat out the establishment. Regardless of your political stripes, this New York City mayoral win is worth studying from a leadership perspective because it’s a transformational change masterclass. How did Mamdani move people to volunteer, fundraise and vote for him as the “anti-establishment” candidate?

Is your #data  is lying to you? Are you presenting the whole truth and nothing but the truth? This could be the biggest saboteur in an...