After eight years as President "I have only two regrets: that I have not shot Henry Clay or hanged John C. Calhoun."--1837--
Andrew Jackson (Calhoun was his Vice-President and Clay a former Secretary of State)
"All this happens through what’s called reinforcement learning, the same fundamental technique that underpinned AlphaGo, the machine from Google’s DeepMind AI lab that cracked the ancient game of Go. Basically, the bots navigate their world through extreme trial and error, carefully keeping track of what works and what doesn’t as they reach for a reward, like arriving at a landmark."