The Democratic party’s vice-presidential candidate, Tim Walz, has said he was ‘feeling good’ about the crucial swing state, Pennsylvania, after making a campaign stop in Harrisburg. Addressing reporters, he said: ‘We're excited about Pennsylvania. I think being here, we started it here – for me, it feels like closing the loop. We're excited about being here, we’re taking that positive message, and you saw the energy in that room’