Tom Yeung here with your Sunday Digest. In 2007, the hit TV show South Park introduced one of its most memorable characters yet: The superhero Captain Hindsight.  After getting in an accident with a retroactive spider, news reporter Jack Brolin gains superpowers that allow him to see the past with perfect 20/20 hindsight. With his three companions – Shoulda, Coulda, and Woulda – he flies to disaster zones and lectures people about how the situation could have been avoided.  Captain Hindsight would have made ...