Obi-Wan Kenobi being struck down—and becoming more powerful than we could possibly imagine—is a defining moment in the Star Wars saga. It informs so much of Luke’s journey from farmhand to Jedi Knight. It’s a chapter in the tragic tale of Anakin Skywalker. But in the initial script, it wasn’t going to happen.
http://io9.gizmodo.com/wait-what-obi-wan-kenobi-wasnt-going-to-die-in-a-new-1770997934