Taubes breezily dismisses the Hall paper, which is, methodologically speaking, pretty conclusive. If you're curious about the paper and its implications for Taubes's obesity-insulin hypothesis, I'd recommend these two blog posts by Stephan Guyenet, an obesity researcher:

http://wholehealthsource.blogspot.com/2015/08/a-new-human-tr...

http://wholehealthsource.blogspot.com/2015/08/more-thoughts-...