Pennsylvania Gov. Josh Shapiro announced his re-election campaign on Thursday in a speech foreshadowing themes that could double as the foundation of a potential 2028 presidential bid, as the Democrat detailed his fight against the “chaos and toxicity” in Washington, D.C.Speaking at a carpenters’ training center in Pittsburgh, Shapiro ticked through his first-term accomplishments and pledged to fight in his second term to lower housing and energy costs on Pennsylvanians.