Welsh language campaigners have criticised the BBC's decision to pull out of a major children's festival, the Urdd Eisteddfod, taking place in Swansea this year.The annual Urdd Eisteddfod is Europe's largest competitive youth festival, but for the first time in years the BBC will not have a stand for families flocking to the event.Bethan Williams, Chair of language campaign group Cymdeithas yr Iaith Gymraeg, said that the BBC's decision was a worrying sign:"On top of spending less on Welsh language television, getting rid of a Welsh language website, this decision by the BBC shows where