European Union justice and interior ministers agreed Friday that new immigrants to the 25-nation bloc should be required to learn local languages, and to adhere to general "European values" that will guide them toward better integration. Dutch immigration minister Rita Verdonk, who chaired the meeting, said all countries agreed to make integrating newcomers a priority, considering the growing ethnic tensions as EU nations struggle to absorb a steady stream of poor, mostly Muslim immigrants. Just this month in the Netherlands, the slaying of filmmaker Theo van Gogh by a suspected Muslim radical unleashed a wave of attacks against mosques, churches...