former fed governor dan tarullo. time for follow the lead.making headlines and moving markets. today we are looking at the ongoing debate of regulating big tech. here's what some of the democratic presidential candidates have to say. >> we need new solutions and a new toolkit. >> i am not willing to give up and let a handful of monopolists dominate our economy and our democracy. it is time to fight back. >> they have to be broken up or regulated. right now we treat them as a utility, when in reality they are marking to a publisher. treat them like the publisher they are. >> if we're going to talk seriously about breaking up big tech, we should ask if people are taking money from the big tech executives. alix: now the cofounder of the company at the center of the facebook debate, a former lawmaker, are spearheading a -- thanks very much, great to see you. chris, for you, why is anti-monopoly the way you will go better or does it go in tandem with regulation? chris: it is not an either or. what we are seeing in the country's bipartisan consensu