Former President of the Senate, Senator David Mark has described the death of former Deputy Leader of the Senate, Senator Jonathan Silas Zwingina as a monumental loss to the nation especially the political class. Senator Zwingina passed away at the age of 70 on Wednesday after a brief illness in Abuja. Reacting to the death of Senator Zwingina, Senator Mark said the deceased was a foremost parliamentarian and scholar who brought his wealth of experience and expertise to bear. Senator Mark recalled the pioneering role of Zwingina…