vatican city pope francis major speech europe saturday urge european union recover sense single community want future prosperity fairness francis speak end two-day conference vatican call re-thinking europe dozens participants attend include european parliament president antonio tajani vice president european commission frans timmermans religious leaders pope specifically mention situation catalonia region leaders want break away spain britain decision leave eu speak often solidarity teamwork mutual sacrifice european union face crises fail recover sense single community sustain assist members collection small interest group would miss one great challenge history also one great opportunities future say particular nationalist agendas risk thwart courageous dream founder europe say long speech francis appear warn dangers europe pose populist anti-immigrant party elections germany september alternative germany afd secure almost 13 percent vote make third large party first far-right party win seat half century extremist populist group find fertile grind many countries make protest heart political message without offer alternative constructive political project francis say without name group history first latin american pope say politics often go astray say sadly often see politics become instead forum clash oppose force address pope close ceremony tajani european parliament president speak risk return intolerance xenophobia pope call immigrants welcome europe enrich resource rather see threat apparent assertion immigration control say authorities open heart able provide full integration social economic political level newcomers pope urge eu rediscover unity want future