The latest batch of former secretary of state Hillary Clinton's e-mails indicate that Hurricane Sandy knocked out her private e-mail server for two weeks in 2012. In her correspondence with those who emailed her -- many of whom sent birthday greetings -- she apologizes for her tardiness in responding. For instance, there is this with John Podesta, who is now chairman of her 2016 presidential campaign:

The Washington Post previously reported that the storm triggered concerns over the system's reliability, ultimately leading Bill and Hillary Clinton to hire the Denver firm Platte River Networks to maintain it.