Tabu Topics News Today

Theyve actually had to halt the polio vaccination campaign. this enormous barrier thats come in the decades long effort to eradicate polio is substantial and its going to take a long time for that to go away. >> reporter: the longer the attacks continue, the larger the risk to millions of children and to the women who provide them care. nick schifrin, abc news, london. >> sad on multiple level there is. coming up next, tabu topics, rough language and a bloody tale of revenge. it all describes ...