India, Aug. 24 -- When was the last time you changed an opinion? Did facts and figures help you change a strongly-held belief?

Recent events have compelled me to dig deeper. For instance, the Home Minister of India Amit Shah claimed that Article 370 stalled the development of the Jammu and Kashmir region. Based on evidence, this claim is false. In the US, Donald Trump makes, on an average, 13 false claims a day. As I write this, the precious Amazon rainforest is horrifically burning at the rate of one football pitch a minute. The Brazilian President has accused NGOs for this destruction, without offering any evidence.

Powerful people have clear reasons to disregard facts and figures. But what sources we follow and how we process informati...