Biden’s rally with union workers will mark first big event of his 2024 campaign

President Joe Biden plans to promote his pro-labor record Saturday at his first major political rally since he formalized his reelection campaign, appearing alongside union members to make the case that his economic agenda is boosting the middle class.

His campaign says Biden, who will appear at the Philadelphia Convention Center, will “lay out the core principles of his economic message.” The president also intends to talk about how a sweeping climate, tax and health care package he signed into law last year has cut the cost of prescription drugs and lowered insurance...