When it acquired Whole Foods in August, Amazon said that Prime members would eventually get “special savings and in-store benefits” at the grocery stores, and the company just announced the first one: It’s for turkey! For Thanksgiving! A whole 20 percent off (non-organic) birds! If you’re a member of Amazon Prime, all you have to do is pull upa special coupon on Amazon’s website, go to Whole Foods before November 26th, select the specific type of turkey that’s on sale for Prime Members, take it to the cashier, present the coupon, and BOOM,...