When you parse the progression of pessimism and optimism, you realize that Mr. Sevareid never makes it to the day he's optimistic about. It keeps moving.
It's like that paradox about moving toward a finish line, decreasing the distance to the line by half each day. Since there's always a tiny bit left, and you then advance only half way more, you are still left with a tiny bit left to travel. You never get there no matter how close you come. (I think credit card debt is based on this principle.)
So, imagine it's Friday and you're not optimistic about Saturday, but the day after, Sunday, you're optimistic about. Let's look forward to Sunday.
But, stay alive one more day and it's Saturday, and now you're pessimistic about Sunday (because it's now the day after), but are optimistic about Monday. But weren't you just a day ago optimistic about Sunday? Sure you were, You said you were. What happened with advancing another day?
I remember Eric Sevareid's broadcasts. I'm not sure he ever smiled.
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