A campaign for Marc Jacobs fragrance Oh, Lola! featuring Dakota Fanning was banned in the UK for sexual representation of a child, as was an ad by Lynx that was deemed to be 'degrading' to women. And the Vatican threatened legal action against international clothing chain Benetton over its 'UNhate' campaign that shows world leaders kissing. See these plus other controversial ads and tell us: should they be banned?