We all know that hindsight is 20/20. That definitely applied to the year 2020 , and as we've learned over the past few years, the present, too. Today, however, we are talking about a special kind of hindsight and regret. We've all seen that tweet from Hillary Clinton where she says "Happy birthday to this future President." Well, let's just say that things didn't go as she planned. Cringe. That tweet kind of made history where being overly confident is concerned. Today, we've got an assortment…