Whenever it appears that frontrunner Hillary Clinton has finally caught a break, along come reminders of the unexploded time-bombs that still lie waiting, just up the campaign trail. Take the email scandal (please). As Bernie Sanders pointed out during the CNN debate, in an uncharacteristic moment of courtliness, people are sick of it. The Republican use of it becomes more blatantly political by the day. So it's over, right? Well, not quite -- because it's still not clear what exactly was legal or illegal, and who is vulnerable to prosecution for what. We do know, however, that this question is being actively pursued by the FBI.