Where are you people getting these rumors from? In case you haven't noticed YET, Naruto will probably never kill Sasuke. If that happens, then the whole series will be pointless.
because sasuke is naruto's friend and he will never kill him
No Sasuke does not kill Pein
For right now, there is details that have been released that Naruto will kill Sasuke in Naruto Shippuden.
probably...
He doesn't. >.<
-SPOILER WARNING- No, Naruto doesn't die. Sasuke does manage to kill Itachi though.
Kabuto try to kill sasuke in "Naruto episode 51."
Never- Naruto wants to save and bring back Sasuke
no, sasuke defeated naruto, but he did try to kill him.
no, not yet, but Naruto did said that he will die with Sasuke.
For right now no one dies, but in episode the closest was in episode 260 when Sauske defeated Naruto but chose not to kill him.....
Nope.