How do you think Christie performs against Clinton in coal country in 2016? I don't see Christie as a big supporter of coal since he's one of those rare Republicans who believe in climate change. If Clintons plays this right she could make the whole region competitive, I see Christie under performing big here against her.
Being a national Democrat( as of now) seems poisonous in Appalachia. Ex. Just look at how "pro-coal" "Clinton" Democrats performed in this region in 2010, 2012, and the 2013 VA governor's Race. Ex. in 2013 Terry McAffule was butchered in the VA parts of the area while a pro-coal Democrat with White working class appeal(Ralph Northam)-the Lt. Gov. candidate didn't perform much better against the certifiability batsh**t E.W. Jackson.
So I am very skeptical that Hillary will do any better then Obama did in Appalachia in 2016(Even against Christie).
McAuliffe did not run as a pro-coal Democrat if anything he was probably the most anti-coal candidate to run and win in Virginia ever. West Virginia and Kentucky are still strongly Democrat downballot Clinton is the perfect candidate for these areas whereas Christie is your typical Northeastern Republican who supports gun control, climate change etc.