Ex-Pres. Gloria Arroyo accompanies BBM-Sara tandem in Quezon province; Sen. Pacquiao concludes 4-day caravan in CARAGA; Sen. Lacson to prioritize legislative duties over campaigning; SP Sotto vows not to take duties and responsibilities as senator lightly; VP Robredo visits Catanduanes, thanks supporters in Bulan, Sorsogon and Masbate @Daniel Manalastas