Why are opinions and facts so hard to keep straight?

What’s a fact and what’s an opinion? “Art” by the author.

it a fact that climates are changing? I believe the science on this one but many people don’t. One of my ex-academic supervisors (and a PhD holder in economics) is a climate skeptic and put up a post on Facebook yesterday with an interview with another academic climate skeptic. Look! There’s proof there’s no academic consensus! He’s the one who taught me that deferring to a…