The Green New Deal was AOC's progressive bill. Many Dems were lukewarm about it and Trump knows this but it suits him to accuse Biden of having a progressive agenda. Even Pelosi was criticized for saying she was going to come out with her own plan because the GND wasn't practical. Biden had his own climate resolution which was part of the "Build, back, better" plan. While people said it was basically the GND, he still came out with his own plan.
As far as defunding the police, even Faux News said Biden was always against it. This article came out in June.
https://www.foxnews.com/politics/biden-comes-out-against-defunding-police-as-movement-gains-traction
