Rachel Maddow (clip)

If Trump doesn't win, the Defense Department and NASA are going to need a new arrangement for all their rockets.

And for all the multibillion dollar contracts Elon Musk's companies have with the U.S.

government, the U.S.

government is going to have to either, I mean, unwind from all of those contracts or Elon Musk's companies are going to have to unwind from him.

This is an untenable reality in national security terms.

Now that we know what we know about Elon Musk.

What do we know?