Tough! Is being intolerant of bad behavior an underappreciated value?

Previous articles in my occasional series on values include one that invites readers to place themselves on 12 continua, and three articles on values that are tough to live by: discipline, hard work, and responsibility. 

Today’s article aggregates those three: It makes a case for toughness. It's potentially applicable in the widest range of contexts, as the article attempts to demonstrate.