WASHINGTON – The Pentagon said Monday the military intervention in Libya cost the U.S. an extra $608 million in the first few of weeks of the operation. Spending is down significantly, though not as much as expected. Defense Department spokeswoman Navy Cmdr. Kathleen Kesler said it will take several weeks to tally exactly how much has been spent. But $608 million is the price tag officials have estimated through April 4 — or for 17 days of the mission, the most recent figures available. The estimate shows a large drop from what the U.S. spent in the early days of...