For your consideration, I've assembled an approximate timeline of the various skulduggery involving Petraeus, Broadwell and Kelley.
01/24/12 "All In", Broadwell's biography of Petraeus, released
05/15/12 Jill Kelley begins receiving threatening emails from Broadwell
07/04/12 Affair between Petraeus and Broadwell said to end
08/15/12 A.G. Holder notified of affair between Petraeus and Broadwell
09/11/12 Ambassador Stevens, three other Americans killed in Benghazi
09/14/12 Petraeus testifies under oath that killings started as protest over video
10/26/12 Broadwell reveals secret CIA prison in Benghazi during Denver speech
10/27/12 Republicans including Eric Cantor informed of Petraeus affair
11/07/12 White House claims it was first notified of Petraeus affair
11/11/12 Jill Kelley hires law firm
The timeline is intriguing.
Investors Business Daily muses that the administration may have used their discovery of the Petraeus affair as leverage for false testimony before Congress.
What say you, dear reader?