The war with Iran is choking the Strait of Hormuz, limiting the amount of oil available to the rest of the world. | Andrew Harnik/Getty Images
When I was growing up, my dad and I would play a game at the grocery store: As the cashier was ringing up the items on the list my mom had given us, we each would guess what we thought the total would amount to. Whoever was closest won bragging rights, and maybe if we were feeling indulgent, the candy bar of our choosing.
I’m shopping for just myself now, but I’m still pretty good at this game. That means I’m always paying attention to how pric...
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