In the battleground state of pennsylvania. I have pledged that building a strong middle class will be a defining goal of my presidency. Ms harris said her plan would lower costs for americanfamilies, invest in entrepreneurs and ensure america leads in future industries like artificial intelligence. Built here in america by american workers. The focus on finance comes as several polls show donald trump s lead on the economy is narrowing with voters. The former president campaigned in the battleground state of north carolina today, where he went after his opponent. Kamala s not attacking me. She s attacking your furniturejobs, she s attacking your communities, she s attacking your factories, and she s trying to send all of those jobs to china with everything else. A day earlier, mr trump warned companies making products abroad would have to pay a substantial tariff, sparking criticism within his own party. I m not a fan of tariffs. They raise prices for. American consumers. Both candidat