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					Originally Posted by ASTalumna06  I thought that in some weird way, Desmond running over Locke was revenge for being pushed down the well.
 How that works out exactly, and how Desmond would be aware of it, I don't know. Or maybe he's not aware of what happened, he just knew he had to get back at Locke for something.
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 Makes sense.  I've read someone's theory that, because of how Des responds to electromagnetism, Island-Des traded places with alt-timeline-Des, and that's why (1) Island Des thought MIB/Not-Locke was John Locke (and not MIB), and (2) LA-Des knew to run over LA-Locke.  Your idea that Des was getting revenge fits nicely with this theory.