The chief of PML-N Mian Nawaz Sharif said there should be breakthrough in todays meeting with President Asif Ali Zardari and charter of democracy and elimination of 17th amendment are breakthroughs. Talking to media at the visit of PIMS hospital, Nawaz Sharif said no agenda has been received but national issues are quite clear and the country could not afford delay in this connection. He said we are playing the role of responsible opposition and this is happened for the first time in the history of the country. Nawaz said government wants others help to continue its tenure because they dont have required number. He said even by realizing this, we never tried to destablise the government. Both government and opposition should understand each others position, he added.