Senate Charter Change proponent, Robin Padilla is still pushing for a Congress-led option to introduce amendments.<br /><br />He says, holding a constitutional convention is too expensive.<br /><br />Eimor Santos has the details.<br /><br /><br />Visit our website for more #NewsYouCanTrust: https://www.cnnphilippines.com/<br /><br />Follow our social media pages:<br /><br />• Facebook: https://www.facebook.com/CNNPhilippines<br />• Instagram: https://www.instagram.com/cnnphilippines/<br />• Twitter: https://twitter.com/cnnphilippines<br /><br /><br />