The Spirit of Time by Jeffrey A. Tucker at Brownstone Institute [The following is an excerpt from Jeffrey Tucker’s book, Spirits of America: On the Semiquincentennial.] Sloane’s eighth chapter begins with an interesting observation. He was an expert on old-style covered wooden bridges. Strange passion but stick with me here. He observed that there were always signs on these bridges: “Walk your horse.” Apparently galloping across a bridge creates a rhythmic pattern that weakens the ...