1) Desmond's casually-asked question to Locke as to wether he or they were still pushing the button...later we learn that Desmond knows full well what failing to push the button does, from his retelling of the day he followed Kelvin...he even said things in the early part of the season to Jack that the button was earth-saving stuff etc....so the question made no sense. He would know if they were not pushing the button.

2) Kelvin going out to find Desmond on the shore and drag him back to the hatch, when we know that cant be done in 108 mins or less. And why to start with, how did he know he was there and where to look for him?

3) Razinsky (whoever that may be) shot himself in the mouth with a shotgun...went a bit nuts it seems. Remember ol' Sam Toomey, in Australia, same story him...went nuts and put a shotgun in his mouth. What do you bet they're connected?

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Sorry...I think my Kharma just ran over your Dogma...