So I imagine most of us have heard the mains ones Would you go back and kill hitler? What would happen if you killed your grandfather before your father was conceived? That sort of thing. but I was reading something today and all of a sudden I started thinking something a little different. Abraham Lincoln Martin Luther King JFK There are more I'm sure but there is basically this long list of inspirational figures advocating peace or equality that have been unceremoniously executed throughout history. So what if the time travel question we should be asking isn't Would you kill Hitler? but Why would you kill Abraham Lincoln?