Pittsburgh, PA. (AP) – Joe Biden’s first campaign speech of the 2020 presidential race is in Pittsburgh, where he will receive the endorsement of the International Association of Fire Fighters and talk about rebuilding the middle class. By picking Pennsylvania for today’s speech, the former vice president is signaling that he hopes to own what may be the toughest battleground of the election. President Donald Trump also has his sights set on Pennsylvania after winning the state in 2016.