Just some additional comments on those South Carolina polls: The poll that shows Trump up 15, Trafalgar Group, is by a Republican entity and is also the lowest rated of the three polls that are rated at 538 with a C grade.
PPP is a Democratic entity, but is somewhat higher rated than Trafalgar at B+. Gravis is graded B- and as far as I can tell 538 has not graded Winthrop. But I looked at the methodology at
http://www.winthrop.edu/winthroppoll/de ... px?id=9802 and it looks good to me.
While I don't dismiss the possibility that the Trafalgar Group poll could be closer to right and the other three closer to wrong, if I had to bet I'd bet it's the other way around and that the race in South Carolina is pretty close. By "close" I mean less than 5 percentage points.
I think Louisiana where I live has something on the order of a 10 to 15 percentage point edge for Trump. Limited information but I think it's reasonable to believe it's in that area. If I was in South Carolina I'd definitely vote for Clinton because I'd think there is some small possibility there could be a surprise. Some small possibility that who I voted for could make a difference. In Louisiana that's not the case. Problem is I can't bring myself to vote for Johnson for various reasons, some of which should be obvious, and I CERTAINLY can't vote for Stein. Maybe that Evan guy will be on the ballot.
The South Carolina polling results again for reference: