From control of the House and Senate to the presidential election, there are competitive races up and down the ballot. So far, this election has been unpredictable. After all, who could have foreseen two assassination attempts , a sitting president dropping out after he'd all but secured the nomination and, well, pretty much everything else ? But Election Day is here, and it will be hours until we learn who won, and perhaps days before we find out why. Until then, we've asked 17 election