Mut@t@, the closest person Sasuke ever got to in terms of friendship was his brother... which means for him to obtain the powers of mangekyou sharingan, he would have to kill his brother (another incentive to kill him [img]i/expressions/face-icon-small-tongue.gif[/img]). but he is nowhere near able to kill Itachi, like when he tried to use chidori and his arm got broken...