"Noam Chomsky: Much of the world must be astonished -- if they are not collapsing in laughter -- while watching the performances in high places and in media concerning Russian efforts to influence an American election, a familiar US government specialty as far back as we choose to trace the practice. There is, however, merit in the claim that this case is different in character: By US standards, the Russian efforts are so meager as to barely elicit notice.
http://www.truth-out.org/opinion/item/39159-noam-chomsky-on-the-long-history-of-us-meddling-in-foreign-elections"
* From what I have read the "Russians" ( at this point all we have is modest to high confidence speculation), were hacking everybody.
It looks like they were targeting the Democrats because they were the only ones stupid enough to get caught.