Mugs featuring the face of former British Conservative Prime Minister Margaret Thatcher are pictured for sale at the Trades Union Congress (TUC) in Liverpool, north-west England, on September 9, 2014. British trade unions bosses said declining living standards will be the battleground for next year's general election after lashing out against government austerity measures at their annual conference on Monday.  AFP PHOTO / PAUL ELLIS        (Photo credit should read PAUL ELLIS/AFP/Getty Images)