Jason Chaffetz : Testimony this week on Benghazi contradicts administration 's initial narrative . Comment: Rep. Gowdy said an email showed State Dept . knew Islamists , not video , behind attack . Chaffetz : The accounts of these brave witnesses raise troubling questions about the veracity of what we 've been told by official sources since the attack took place . Administration has repeatedly misdirected , thwarted Congressional investigators .
Jason Chaffetz : Testimony this week on Benghazi contradicts administration 's initial narrative . Comment: Rep. Gowdy said an email showed State Dept . knew Islamists , not video , behind attack . Chaffetz : Administration has repeatedly misdirected , thwarted Congressional investigators .