Should people know what "CIA-style analysis" means? Your short description should explain what this means, or link to an explanation -- otherwise it tells people nothing.
For reference, the site currently supports the Analysis of Competing Hypotheses (ACH) technique [1]. ACH is a structured way of determining which explanation/hypothesis is most consistent with the available evidence.
[1] https://en.wikipedia.org/wiki/Analysis_of_competing_hypothes...
It will be interesting to see which techniques from intelligence analysis and business best lend themselves to collaborative analysis on the internet.