Not according to latest Quinnipiac. I'm not sure what this looks like from an Electoral College perspective, but Hillary is very weak against a lot of the Republicans.
http://www.quinnipiac.edu/news-and-events/quinnipiac-university-poll/national/release-detail?ReleaseID=229
General election polls are too early to matter at this point. Let the media and HRC demonize the goofy things Carson, Huckabee, and Cruz have said for several months, and this poll will flip in a hurry.