Former Federal Minister and Senior Leader of Awami National Party Ghulam Ahmed Bilour called on President Asif Ali Zardari in Islamabad today.They discussed overall political, security and law and order situation of the country.The President emphasized that all political parties need to work together for economic and political stability and addressing the country's problems.He said consultation and consensus with all political parties on important national issues is inevitable.Ghulam Ahmad Bilour congratulated Asif Ali Zardari on assuming the office of President for the second time.Source: Radio Pakistan