We live in an era of instant everything. Microwaves and Uber-eats serve up instant meals, the internet delivers instant access to information and an often narcissistic world assures us that we are entitled to instant gratification in every aspect of our lives. One of the most troubling of the instant trends is instant certainty in all its forms. Instant certainty is the enemy of truth and a barrier to trust. How instant certainty is impacting society and what to do about it on this week's edition of Therefore, What?