Not sure what Bush's favorables among NH Republicans are but my hunch is probably too low with too little time to fix.
The latest Franklin Pierce poll gives the four “establishment candidates” the following fav/unfav #s in New Hampshire:
http://www.bostonherald.com/sites/default/files/media/2015/12/17/FPU-BH-Dec-15-REPUBLICAN%20SLIDES-1.pdfRubio 65/26% for +39%
Christie 64/30% for +34% (he was at 43/46 in March, so a big turnaround in the past 9 months)
Bush 53/42% for +11%
Kasich 43/39% for +4%
Meanwhile, the Associated Industries of Florida poll (no idea how accurate these guys are, as they have no track record) puts Bush underwater, at 39%/48%:
https://uselectionatlas.org/FORUM/index.php?topic=225168.msg4837569#msg4837569
Poll
