LeBron not done tinkering with FT's 

May, 9, 2013
5/09/13
8:58
AM ET
LeBron James' goal is to keep improving as a basketball player and his focus right now is to shoot at least 80 percent from the free throw line. During the regular season he made 75.3 percent to raise his career average to 74.7 percent. James says a lot of it is in his head.