An Article in The Australian on 27th April entitled “FTA Networks unite against GroupM” (Darren Davidson) opens with the statement that “The CEOs of the three main commercial networks have launched an unprecedented attack against the biggest buyer of television airtime in the country, warning WPP’s GroupM to stop talking down the free-to-air TV industry or face ­serious consequences in advertising negotiations.”   It goes on to explain that … “the row has erupted weeks before GroupM thrashes out deals for the 2015-16 fiscal year to determine the share each network will get from an estimated $1bn annual budget. (GroupM) has questioned the cost of TV advertising, citing audience declines and…