In a story that shows how hard it is to deter a billionaire ravenous for public money, Jeff Bezos of Amazon and The Washington Post fame appears to have prevailed upon buddies in the Senate to keep alive a childhood dream of not only going to the moon, but getting the public to pay for it. A Bezos company officially lost this moon contract three times in less than a year, but the fourth time’s a charm: thanks to congress, his Jason Voorhees-like determination may be rewarded with a contract worth $6 billion or more…