Although it might not have as much data as some of their other articles, this article does a good job of explaining what the numbers mean, and the implications, both from their data and the data provided by other outlets and polls.

A decent and balanced look at how Bernie Sander's win in Nevada affects his projections to become the Democratic Nominee. This piece is pretty surface-level and light on the numbers for Five Thirty-Eight standards. The most interesting line of the piece is "His chances of winning the most delegates (though not necessarily a majority), rose from 61 percent before Nevada to 69 percent after."