By Casey Lartigue, Jr. Is the sky blue? Is the ocean water? If you suspect those are trick questions, you are right. The sky isn’t always blue ― it is reddish at sunset, dark at midnight, gray on an overcast day. The ocean isn’t water ― there’s also fish, plant life, submarines, dissolved minerals, surfboards, sunken ships, even people swimming in it sometimes. As Hoover Institution scholar Thomas Sowell wrote in his 1996 book ``The Vision of the Anointed,” people who use “all-or-nothing” reasoning can deny a statement because it is not 100 percent true in every circumstance. Such word games might be fun for college students or debaters, but there are some distinguished people who are respected for making such childish arguments about serious issues. In his book ``23 Things They Don’t Tell you About Capitalism,” Cambridge University economist Chang Ha-Joon argues that 1) “[T]here is really no such thing as a free market” and 2) “The free market doesn’t exis...
