Yes, this is the thinnest diary of all time. It's because it's a poll. Daily Kos 4 (5? Which one is this? I mean the next one...) should have a separate poll feed or some such mechanism -- it would help reduce the number of "temperature-taking" diaries (which aren't limited to poll diaries, after all) clogging up the feed.
For more information on Chained CPI, click here.