This whole argument (on both sides) is just a misunderstanding of what a 'species' is, and how the term as described in middle school doesn't really exist.
From a strict fertility standpoint, wolves, dogs, and coyotes can all interbreed freely and produce fertile offspring, so from that...
There's no reason you couldn't see one in upstate NY along the Canadian and Vermont borders - I don't think there are currently any breeding packs in the states, but there are some just over the border, and they wander down as far as Mass. That being said, coyotes in the northeast are really...