Originally, we were seeing the usual list of subjects being attacked, mostly in the form of Confederate Civil War monuments. But since then, it’s spread to everything from bronze images of Thomas Jefferson and Abraham Lincoln to Spanish Conquistadors. Tearing down a sizable, heavy monument can be hard work, however, and potentially dangerous if you don’t know what you’re doing. Stepping into the breach this week is the magazine Popular Mechanics. Author James Stout offers up some “helpful” advice on how to understand all of the physics involved and the most efficient way to accomplish the task. The title seems...