The NBA regular season has been underway for just one day, and there's already a controversy. The action of Los Angeles Lakers superstar LeBron James during the national anthem prior to his team's matchup with the Los Angeles Clippers on Tuesday night has some fans on Twitter fuming, and others saying he did nothing wrong. Just before the song ended ahead of tipoff, James stepped out of line and walked away from his teammates while shouting a passionate, "Let's go!"