Noun
(countable, idiomatic) A contentious political issue or problem that is often debated or discussed, but that remains unresolved; an issue or problem which is avoided by authorities and handed off to others.
(uncountable, idiomatic) Ongoing unproductive wrangling or posturing between political factions, resulting in failure to deal with an issue or problem in a decisive or appropriate way.
Source: en.wiktionary.orgBecause sanitation has so many effects across all aspects of development - it affects education, it affects health, it affects maternal mortality and infant mortality, it affects labor - it's all these things, so it becomes a political football. Nobody has full responsibility. Rose George