Magical Thinking Won’t Get You to Mars. (Washington Please Note)

Who knew getting to Mars could be so easy? After millennia of gazing wonderingly at the Red Planet and more than half a century of firing robot spacecraft its way, the U.S. has at last figured out a way to get astronauts onto the Martian surface: make it a rule.

That was the talking point out of Washington on March 21, when, in a flashy photo op, President Donald Trump signed Senate Bill …

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