Koko Pimentel: There's still unfinished business to be pursued at the Senate

Senator Koko Pimentel says he is seeking reelection because of some "unfinished business" in the Senate – federalism included. Full story: http://www.rappler.com/nation/politics/elections/2019/214025-koko-pimentel-freddie-aguilar-first-to-file-certificates-candidacy-senator