NASA once calculated what Falcon 9 would have cost if NASA had built it the traditional way. $4 billion. SpaceX built it for $390 million, and NASA verified the number. California has now spent $18 billion on high speed rail. That's 46 Falcon 9 development programs. Zero miles of track have been laid. Here's the detail that complicates the meme. The rocket was seeded with government money too. NASA put $396 million into Falcon 9 and Dragon development, which means both of these photos were…