(CNN) —
A version of this article first appeared in the "Reliable Sources" newsletter. You can sign up for free right here.
I know I speak for millions of people when I say that Dr. Sanjay Gupta has been a national treasure this year. So let's give him the first and final word today.
"Lately," Dr. Gupta tweeted Monday, "I've been thinking a lot about the beginning of one of my favorite books: 'A Tale of Two Cities' by Charles Dickens. 'It was the best of times, it was the worst of times...' It is so prophetic on a day like today. On the same day that a truly extraordinary scientific feat is realized -- in the form of the Pfizer-BioNTech vaccine -- we are still experiencing a devastating amount of Covid-19 cases, hospitalizations and deaths. Some of the same hospitals tasked with administering the vaccine are also stretched to the limit with patients."