MANILA, Philippines – Vice President Sara Duterte honored mothers on Sunday, Mother’s Day, saying motherhood is one of the “most challenging” but also the “most rewarding” roles of women. In a video statement, Duterte highlighted the importance of mothers. “To nurture a child and lead a household is one of the most challenging roles any woman can take, but it is also the most rewarding,” she said. “Tayo ang unang guro ng ating mga anak, ang takb…