President John Evans Atta Mills on Thursday expressed dissatisfaction about the alleged blockage of acquisition of Ghanaian passports at the Ghana High Commission in London.He urged the staff of the High Commission not to adulterate the performance of official duties with partisanship.President Mills, in an interaction with the staff as part of his three-day official visit to Britain, said partisanship should end now that Election 2008 was over, adding that, partisan politics would not help Ghanaians in nation-building.The President was invited by the British Government for the visit to strengthen relations between Ghana and Britain and to explore areas of further co-operation by the two nations.President Mills called for national unity and told the staff that partisanship would not be in the interest of Ghana.Source: GNA