Roughly 10 miles away at Robert Morris University, he again discussed the middle class with a packed room of Lamb supporters and took more swings at Republicans.
Biden slammed the GOP tax overhaul, saying it would lead to cuts in entitlement programs. And he denounced the millions spent on the airwaves to support Saccone and attack Lamb.
"If there's going to be a fight out there, I'm betting on that guy working construction or in a steel mill, I ain't betting on that fat cat writing a big check," the former vice president said, arguing that the grass-roots energy could overcome the barrage of critical TV ads.
Saccone sharply criticized Lamb on Tuesday for campaigning with Biden.
"Conor Lamb's tendency to surround himself with Washington liberals and his choice to campaign with a key part of the anti-coal Obama White House proves he would push the same failed liberal agenda in Congress," his campaign said in statement.
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Saccone will also be getting some high-profile campaign trail help of his own. President Donald Trump heads to the area Saturday for a rally with the GOP nominee's supporters.
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