MANILA, Philippines — The tandem of Naga City Mayor Leni Robredo and Sen. Raffy Tulfo garnered 44 percent support, ahead of the 40 percent received by Vice President Sara Duterte and Sen. Imee Marcos in OCTA Research’s Tugon ng Masa (TNM) survey on hypothetical presidential and vice presidential tandems in 2028 elections. Meanwhile, 16 percent
