Opinion: This Thanksgiving, lettuce haters of the world uniteSalad haters of the world unite! And just in time for the annual celebration of gluttony. When we pile our plates high with a third helping of turkey, mashed potato and gravy, we are safe, this year, in the knowledge that we need not add any — not even a token amount — of green leaves to our Thanksgiving feast, by order of the Centers for Disease Control and Prevention.