Harris and Biden pitch for steel votes in Pittsburgh in first joint appearance on campaign trail

Kamala Harris and Joe Biden join forces in Labor Day outing, their first joint event since Harris accepted Democratic nomination for presidency

Joe Biden and Kamala Harris on Monday made their first post-convention joint appearance on the presidential campaign trail, celebrating Labor Day with a tribute to union workers in Pittsburgh.

We are so proud to be the most pro-union administration in American history," Harris said. I love Labor Day. I love celebrating Labor Day, and Pittsburgh is the cradle of the American labor movement."