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The Untold Story with Martha McCallum, exclusive interviews with top newsmakers who share their inspiring

stories of perseverance, positivity, and more. Now, here's Martha McCallum.

Americans at home anxiously awaiting word that they can get back to normal after weeks of social distancing.

But the president says getting the country back to work is, quote, the biggest decision of his life.

And he's relying on experts to guide him, including my next guest, Dr. Anthony Fauci, the face of the forefront of this battle.

He joins me now to share his untold story of this

epidemic. Dr. Fauci, great to have you with us. Thank you very much. I know that these have been

very long days and we're glad to have you with us. I'd like to start with the question of these models,

which are now getting a lot of pushback in terms of

their reliability when the numbers have swung 33 percent in just a couple of days. What do you say

to Andy McCarthy who wrote that piece? Well, I mean, there's a certain validity to it. I have

been, and still am and will always be somewhat reserved and skeptical about models because models

are only as good as the assumptions that you put into the model. And those assumptions that start off

when you don't have very much data at all, or the data that you have is uncertain that you put

these assumptions in and you get these wide ranges of calculations of what

might happen, you know, 100,000 to 240,000 deaths. But then as you start to accumulate data,

...