Lawmakers' return to Harrisburg last week brought speculation about the gubernatorial run that House Speaker Mike Turzai, R-Marshall, told GOP officials he was seriously considering in May. The Associated Press reported that he and his “longtime campaign consultant” were mum, and that Jim Roddey, former Allegheny County GOP chairman, suspected Mr. Turzai was reconsidering amid budget-stalemate pressure. The AP also said Sewickley's Laura Ellsworth, a Jones Day law-firm partner, will decide by month's end about joining York County state Sen. Scott Wagner and Pine businessman Paul Mango in the 2018 GOP field. Stay tuned. … Last Monday, per an AP story, “swarms of gnats” prompted calls to police “and other agencies” from “Philadelphia ... to Bethlehem” and in “Bucks and Montgomery counties and other areas.” Bug experts said the “gnats” actually were flying ants engaged in one-day, once-a-year mating. Chalk one up for Pittsburgh in the eternal debate over whether it or Philly's a better place to live. … New state tax credits for building, rehearsing and performing touring stage shows in Pennsylvania boost a cluster of related businesses in tiny Lititz. Katy Perry, prepping her upcoming “Witness: The Tour” there, played tourist last Sunday, LancasterOnline reports, visiting the Amish Farm & House attraction, signing autographs, posing for selfies and dining at a quintessential “flyover country” spot — an Olive Garden. Taxpayers can decide whether Ms. Perry thrilling Lancaster County locals justifies up to $800,000 for the credits' first year.