The U.S. Department of Justice has tapped federal prosecutors in Pittsburgh to review material from President Trump's personal lawyer, Rudy Giuliani. U.S. Steel faces $2.7 million in fines over air pollution violations at Clairton Coke Works and must make $200 million worth of improvements to the facility. And, in an effort to reduce energy consumption, the City of Pittsburgh prepares to retrofit the 140 buildings it owns.