Buzz Aldrin wants people to know that he has some cool new ideas about how to get to the moon — not just because they’re cool, but also because they show his mind is working.

“That’s not an inactive, incapacitated, dependent mind,” the 88-year-old Aldrin, who became one of the first humans to walk on the moon during 1969’s Apollo 11 mission, told me today during a wide-ranging telephone interview.

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