The Internal Revenue Service (IRS) said it can't provide emails sent between 2009 and 2011 that were requested by congressional investigators because of hard drive crashes. The agency said that emails stored on dead drives were lost forever because its email backup tapes were recycled every six months, and employees were responsible for keeping their own long-term archives. The IRS had a contract with email backup service vendor Sonasoft starting in 2005, according to FedSpending.org, which lists the contract as being for "automatic data processing services." Sonasoft's motto is "email archiving done right," and the company lists the IRS as...