In a jacked-up rally in front of 12,000 roaring Kamala Harris supporters in an arena at Temple University on Tuesday night, there were several take-away lines. As Pennsylvania Gov. Josh Shapiro — a finalist to be Harris’ running mate — delivered a fiery speech, the adoring crowd chanted the campaign’s new tagline: “We’re not going back! We’re not going back!” But there was more: When he goes to work every day, Shapiro said, he focuses on three letters: “GSD,” and the crowd chanted “Get [stuff] done! Get [stuff] done!” But the line of the rally was delivered by Minnesota Gov. Tim Walz, the Demo…
