For many years, I regarded “think tanks” as a godsend. As a news reporter chasing deadlines, I’d regularly call their “experts” for quotes. Usually, they could give me a few succinct lines that appeared to lend a story some intellectual heft. Then I started asking: who do these “experts” really represent? Can outfits financed by major corporations be independent? Security and Defence Agenda (SDA) describes itself as a “neutral platform” for discussing military matters. Analysts with the...

