By Tom Bergin LONDON (Reuters) - Vodafone Group Plc said it paid no corporation tax in Britain for the year to March 2013, prompting fresh criticism from campaigners who have made the UK mobile telephone group a target in the debate on corporate tax payments. Revelations of profit shifting by big companies have provoked anger among austerity-weary citizens across Europe and political leaders have pledged to act. Vodafone's annual report published on Friday said the absence of a UK income tax bill for the second year running reflected tough operating conditions at its British operations. Reported profits at Vodafone's main UK unit have...
