Senator Panfilo “Ping” Lacson on Saturday, May 23, flatly dismissed allegations that the minority bloc’s push for a Senate leadership change is driven by a desire to advance a Constituent Assembly, calling the claim baseless and saying the subject has never come up in any of the minority’s caucuses. “‘Yung nagpapalabas sila ng tungkol sa Con-Ass kaya raw gustong magkaroon ng change…