(CNN) It's been compared to talking to someone on their cell phone and then, just as they get to the best part, losing them as they drive through a tunnel. Or Elaine Benes saying "yadda yadda" when recounting a date night.

not there than what is. There are blacked-out redactions all over the document. The "it" here is the sentencing document for former national security adviser Michael Flynn released on Tuesday night by special counsel Robert Mueller's office. The 13 pages are more notable for what'sthere than what is. There are blacked-out redactions all over the document.

"Because the Addendum includes sensitive information about ongoing investigations, the government is seeking to partially seal the Addendum, and has filed publicly a redacted version of the document that excludes the sensitive information," the document says.

The "sensitive information," of course, is what everyone wants to know! What has Flynn told Mueller about his interactions with the Russians and about the possibility that someone -- or someones -- on the Trump campaign colluded with the foreign power during the course of the campaign?

We don't get that full story here. It's like Mueller gets right to the good section of the book and then slams the cover shut.