mentioning earlier i am in texas we saw climate change in march and then shut down with a lot of peopledo at risk and then more clearly than in previous years so i'm curious if you could go back to another chapter , obviously a lot was written but what about this year has changed? what you think about the content quick. >> for those talking and working on thosese issues. 2020 was a remarkable year. so that is not what we remember it for. because soon there will be other years that pass it. but 2020 was the year of the pandemic and that should've taught us a few things are reminded us one of them is that physical reality is real. i spent 30 years with varying degrees of success that chemistry and physics are real and that they don't negotiate or compromise they have to do their dictates so biology works the same way. our president told us it would all go away. that the microbe was in charge then stands 6 feet apart and wear a mask. so one of the corollaries sometimes speed is a very important factor that one of the things historians will note writing about the pandemic is that the us and s