wicked problem n.— «Some observers have taken a page from urban planning theory to describe Iraq as a “wicked problem”—a term coined to describe complex and divisive issues, such as building a new highway through a city or...
dog-whistle politics n. a concealed, coded, or unstated idea, usually divisive or politically dangerous, nevertheless understood by the intended voters. Also dog whistle issue. Editorial Note: A dog whistle is often used as a figurative device for...
barbecue stopper n. a topic of constant and widespread conversation, especially a divisive political or social issue; (hence) a social gaffe. (source: Double-Tongued Dictionary)