During January 2013 auditions of Season 12 of American Idol, there was Lazaro Arbos who has a terrible stutter when he talks, but sings beautifully. A week later, we encountered Micah Johnson who also suffers from a speech impediment, but rather than a stutter, it was due to "nerve damage" sustained during a tonsillectomy . (Watch videos below) With stuttering, the problem mainly lies at the brain level. The brain coordinates how a person uses all of their throat muscles to crea…