Iraq Casts a Pall Over U.S. Effort to Fathom Iran 04/01/2012 12:59 am ET | Updated Apr 01, 2012 161 New York Times At the nation’s top spy agency, the ghosts of Iraq are never far away. Read more on New York Times More: Iran War Wire Iran Nuclear Weapons Iran Nukes Iran Iraq FOLLOW WORLDPOST facebook twitter Suggest a correction GET THE NEWSLETTER Enter your email address to get top stories and blog posts emailed to you each day. CONVERSATIONS FOLLOW HUFFPOST HuffPost WorldPost HuffPost WorldPost HuffingtonPost Available on the App Store Android App on Google Play Get it at Blackberry App World HUFFPOST NEWSLETTERS Enter your email address to get top stories and blog posts emailed to you each day. Get top stories and blog posts emailed to me each day. Newsletters may offer personalized content or advertisements. Learn More.