Al Gore reinvents the medieval racket of selling indulgences (pardons for one's sins, worth hundreds of years of penance in an invisible Purgatory). With due credit to Geoffrey Chaucer for the original: Now, good men, Earth forgive you each trespass, And keep you from the sin of greenhouse gas. My carbon offsets cure and will suffice, So that it gains me gold, or silver brings, Or else, I care not- brooches, spoons or rings. You must embrace fully Al Gore’s line of bull, While o’er your eyes we will pull the wool! An offset certificate I’ll give you, anon, And...