Joe Hernandez reports PATCO will not be one of the train lines installing so-called Positive Train Control. Kevin McCorry reports on the high number of Philadelphia school principals leaving their jobs for better paying ones elsewhere. Mary Wilson reports last week’s indictment of Pennsylvania Attorney General Kathleen Kane comes after a brief and rocky tenure. Chris Satullo says farewell to Jon Stewart. Kasey Toomey, co-founder of the LOTS project, joins us to discuss a park project incorporating salvaged material. And Franklin Institute Chief Astronomer Derrick Pitts joins us to compare this year’s meteor showers.