Warsaw, 29/04/2009 (Agence Europe) - In Warsaw on Wednesday 29 April, the European People's Party (PPP) opened its Congress, which will this Thursday adopt the "manifesto" of the party for the June European elections. The heads of government or deputy prime ministers of the 19 member states of the EU in which the Christian Democrat family is currently in power will be present in the Polish capital. The list of other guests includes the prime ministers of Croatia (Ivo Sanader), Macedonia...