After years of scouring outer space for radio waves or other signs of intelligent life, we’ve found them. The aliens. Lo and behold, they’re on a mineral-rich, Earth-type planet and resemble nothing so much as Yukon Golds. A sack of ambassadors arrives Wednesday at UN headquarters for trade negotiations. Grocery stores and restaurants must remove potato products from their shelves and menus. (Citizens, no stockpiling the Pringles!) Idaho and PEI are to be stricken from maps, replaced respectively with extra Montana and with water. And children, if you’re overheard singing “One potato, two potato,” you just might get skinned alive.