Harris and Walz swing through western Pennsylvania in pre-convention bus tour The Washington Post2024 showdown: Harris appears to call Trump a ‘coward’ in campaign trail appearance Fox NewsHarris and Walz Venture Into Less-Friendly Terrain to Court Pennsylvania Voters The New York TimesKamala Harris issues a pre-convention call for unity during Western Pa. bus tour Pittsburgh Post-GazetteVice President Harris Speaks to Reporters in Moon Township, PA C-SPAN