An accident of timing?

In economics and other social sciences the timing of related events is often suggestive of the direction of causation. If the market price of companies frequently falls immediately after they've announced a major acquisition, for example, one might conclude it was the announcement that caused the price to fall. The more frequently this happens and the more closely related the timing, the more convincing the proof of cause and effect. So, we have this from McClatchy last night:

In an e-mail dated May 11, 2006, Sampson urged the White House counsel's office to call him regarding "the real problem we have right now with Carol Lam," who then the U.S. attorney for southern California. Earlier that morning, the Los Angeles Times reported that Lam's corruption investigation of former Rep. Randy "Duke" Cunningham, R-Calif., had expanded to include another California Republican, Rep Jerry Lewis.

And, just to add to the evidence, Josh Marshall throws in this:

The timing is well worth noting. But the Lewis investigation wasn't the only trouble Lam was making. Look what else was happening in the couple weeks before May 11th ...

April 28th, 2006 -- Cunningham-Wilkes-Foggo "Hookergate" scandal breaks open. Probe grows out of San Diego US Attorney's Office's Cunningham investigation. CIA Director Goss denies involvement.

April 29th, 2006 -- Washington Post reports that Hookergate's Shirlington Limo Service had $21 million contract with Department of Homeland Security.

May 2nd, 2006 -- Kyle "Dusty" Foggo confirms attendence at Wilkes/Cunningham Hookergate parties.

May 4th, 2006 -- Watergate Hotel subpoenaed in San Diego/Cunningham/Hookergate probe.

May 5th, 2006 -- WSJ reports that Kyle "Dusty" Foggo, who Goss installed as #3 at CIA, is under criminal investigation as part of the San Diego/Cunningham investigation.

May 5th, 2006 -- Porter Goss resigns as Director of Central Intelligence.

May 6th, 2006 -- WaPo reports on questionable DHS contract awarded to Shirlington Limo, the 'hookergate' Limo service under scrutiny as part of the San Diego/Cunningham investigation. Similar report in the Times.

May 7th, 2006 -- House Committee to investigate DHS contract with Hookergate's Shirlington Limo.

May 8th, 2006 -- Lyle "Dusty" Foggo resigns at CIA.

May 11th, 2006 -- LA Times reports that Cunningham investigation has expanded into the dealings of Rep. Jerry Lewis (R-CA), House Appropriations Committee Chairman.

May 12th, 2006 -- Federal agents working on the San Diego/Cunningham investigation execute search warrants on the home and CIA office of Kyle "Dusty" Foggo.