PITTSBURGH (AP) — The Democratic Party’s most prominent figures warned that abortion, Social Security and democracy itself are at risk as they labored to overcome fierce political headwinds — and an ill-timed misstep from President Joe Biden — over the final weekend of the 2022 midterm elections. “Sulking and moping is not an option,” former President Barack Obama told several hundred voters on a blustery day in Pittsburgh. “On Tuesday, let’s make sure our country doesn’t get set back 50 years,” Obama said. “The only way to save democracy is if we, together, fight for it.” Obama acknowledged that voters...