A mayor put up a sign \u2014\xa0then took it down \u2014\xa0which called a homeless man a \u201cbum.\u201d Bucks County has filed a lawsuit against the developers of popular apps such as TikTok. Allegheny County residents now have the ability to track that \u201crotten egg\u201d smell. Plus, Pennsylvania is home to some of the U.S.\u2019s \u201cmost Irish\u201d cities.