challenge: What is Charlie Whitehurst's nickname and why is it given to him?
  
  A. 'Clipboard Jesus' due to his long hair and lengthy career as a backup quarterback
  B. 'Clipboard Jesus' due to his short temper and frequent timeouts
  C. 'The Gunslinger' due to his aggressive playing style
  D. 'The Comeback Kid' due to his ability to lead fourth-quarter comebacks
  Answer: 