Democrats in the White House have been destroying E-mails and using the same excuses about backup failures for decades. Fifteen years ago, Clinton and Gore were doing exactly the same thing as Hillary Clinton, Obama and the IRS are doing now. And Republicans were outraged, just like now.
The day after Vince Foster committed suicide, he came back from the dead and destroyed incriminating evidence against Hillary Clinton.
Nixon was run out of office over 19 minutes of missing tape, but the New York Times and Washington Post are happy to ignore vastly more serious behavior by Democrats.