Cook Political Report A Study In Contrasts, The 17th Could See Tough Battle Between Incumbents Lamb And Rothfus By An-Li Herring • Apr 13, 2018 Friends of Ray Linsenmayer, Don Wright/AP, Conor Lamb for Congress Listen Listening... / 6:21 An-Li Herring looks at the geographic and political landscape of the new 17th Congressional District, where Democrat Conor Lamb hopes to challenge Keith Rothfus this fall. A month after winning the special election in the 18th Congressional District, U.S. Rep. Conor Lamb (D - Mt. Lebanon), now faces a new drama on a new stage. While It's Still Here, The 18th District Will Be A Wildcard For Long-Dominant GOP By An-Li Herring • Mar 1, 2018 Keith Srakocic / AP Listen Listening... / 6:32 Congressional campaigns across Pennsylvania remain in flux since the state's high court issued a new congressional map last week. If the map survives a pending GOP lawsuit, it would take effect for the May primary.