security and medicare. this is an open seat, we have national level interest and you can expect things to tighten up. as a political scientist you assume there will be a lot of interest, a lot of money will pour in and the race will be tight. reporter: for 16 years it was represented by tim murphy who was caught up in a sex scandal. yesterday donald trump junior visited along with succone a chocolate factory, wearing those funny nets to keep their hair from falling into the chocolate and at that event the president said this is not a referendum on his father. it is a special election, in 2018 you have years of obstructionist policies. it can go like that.