Dear President Obama,
You screwed up the most significant decision you made, Obamacare. If not that, I doubt that Trump could win in 2016, https://medium.com/datadriveninvestor/why-it-seems-impossible-to-trump-trump-d3ee9c527b55.
Your error was in not identifying the only one preexisting condition that matters: https://medium.com/datadriveninvestor/the-only-preexisting-condition-that-matters-fb1671be49bd.
My most influential teacher would disagree that the world is complicated. For her, the exciting part was in finding out how simple the seemingly complicated things could be. I explain her approach here: https://medium.com/datadriveninvestor/fixing-american-problems-could-be-easy-9dfb9048a70.
Merry Christmas to you and your family,
HAK