we were particularly interested in tools. And then we basically started working with Larry and we found out and that there is something called interest and positions and then we basically started working with Larry and we found out that there is something called interest and positions and then we need to talk about values. Now we get into really entangled mass. Then you have problems, policies and politics. What we argue that these things have to come into place. You have a problem, you have a politics, you have a politics, unless these three are aligned properly, you're not going to get a solution. This will be basically resilient and sustainable. Just think about what happened really. Between January 20 and then today's April 27th, just three months. In three months, we've already vaccinated about 200 million people. That was not the case in December, January. What happened? Nothing much changed in the US. Few people changed in White House. Other  than that most of the actors and institutions are the same. So some of the problems politicians and politicians to align properly. If it does, things can explore or things can get totally basically out of control. So that's what the big time thinking about is basically that's the difference between January 20th and say April 27th. So this multiplicity of choices then what it does really this essentially fundamentally challenge this idea of finding optimal solutions. This is where basically Ritter and Weber found in 1973. They were talking about that when you have a social problem