The WaPo "McConnell publicly said the NIE judgment was poorly written because it emphasized a halt in the weapons program rather than Iran's continuing nuclear enrichment" and McConnell said that because he is a political tool, like Crocker, heck, like most of the Bush administration. Of course, for more sophisticated views on Iran and enrichment, go to Arms Control Wonk. Iran is allowed, by treaty, to enrich uranium.
The gist of the article is they won't be releasing this year's Iraq NIE. Petraeus will be speaking in early April.