Pay Pal founder and early Facebook investor Peter Thiel has given $1.25 million to an initiative to create floating libertarian countries in international waters, according to a profile of the billionaire in Details magazine. Thiel has been a big backer of the Seasteading Institute, which seeks to build sovereign nations on oil rig-like platforms to occupy waters beyond the reach of law-of-the-sea treaties. The idea is for these countries to start from scratch--free from the laws, regulations, and moral codes of any existing place. Details says the experiment would be "a kind of floating petri dish for implementing policies that...