On our recent vacation, my wife and I met an Australian couple from Perth, who were on a six-month trip around the world. They told us how much they enjoyed their road trip in the states from Georgia to Missouri, then over to New York. We got chatting about how similar the size of our two countries were. But it was the remoteness of the Australian cities that blew my mind. Perth’s nearest neighbor is Adelaide, nearly 1,300 miles away, which is the distance from San Diego to Dallas. They told us how rare it was for Aussies to ever …