Fannie Mae Preferred S (FNMAS)

[rosen62]

From that article, the most important part is the subtitle "As more layers peel away, a pattern forms".

Forming a pattern is critical for the lawsuits as the pattern can take the place of what the government is trying to hide: the deliberative process that shows the cards. By establishing a solid pattern a casual observer will be looking at the result of that deliberation, like a mirror, and successfully reverse-engineer it.