Former president, Chief Olusegun Obasanjo, yesterday, broke his silence on the feud between him and his estranged political son, President Goodluck Jonathan, saying he would not stop commenting on national issues.Former president, Chief Olusegun Obasanjo, yesterday, broke his silence on the feud between him and his estranged political son, President Goodluck Jonathan, saying he would not stop commenting on national issues.