Democrats including Vice President Kamala Harris campaigned for their ticket on Saturday, and President Biden has appearances scheduled Sunday in the must-win state of Pennsylvania. It became clear over the weekend that Biden’s ABC interview on Friday did not end the debate in his party about whether he should step down as the nominee. Developments include: Newsom campaigns: California Gov. Gavin Newsom praised the Biden administration’s achievements at a rally in Pennsylvania. “If Donald Trump succeeds, God help us,” told the crowd in Doylestown, a Bucks County suburb. “We will roll back the …