A lot of Simmons's articles get posted on here, and I think for good reason. To me, he's one of the best writers out there (along with Brian, of course...). I think his article on Lebron is insightful to say the least.
One more thought I have on why LeBron doesn't seem to have the killer instinct that Jordan had: remember, LeBron was coronated as a king when he entered the league. He was on the cover of SI when he was in high school. Jordan was cut from his high school team as a sophomore. I think Jordan always carried that "nobody believes in me attitude" his whole career (even when everyone did believe in him). Jordan's HOF induction speech is evidence of that.