   This week, Americans have been remembering Neil Armstrong for
what made him famous - being the first man to walk on the moon.
Our Planet Money team has a story about Neil Armstrong
overcoming a less famous challenge - financial planning. Here's
NPR's Chana Jaffe-Walt.  CHANA JOFFE-WALT, BYLINE: The space
race was on, Apollo 11 was set to launch in 1969, and Neil
Armstrong had a problem. A space historian and collector told me
about this, Robert Pearlman with He says just think about it,
you're an astronaut...  ROBERT PEARLMAN: You're about to embark
on a mission that's more dangerous than anything any human has
ever done before, because you're literally entering the final
frontier of space. And you have a family that you're leaving
behind on Earth and there's a real chance that you will not be
returning.  JOFFE-WALT: Exactly the kind of situation a
responsible person plans for - financially speaking, you know,
takes out a life insurance policy or something.  PEARLMAN: And
the cost for Neil Armstrong would