Here's your look at five stories to know about before the weekend:
1. New SRC chairman; Corbett in Philly: There's a flurry of major education news on tap today. Pennsylvania Gov. Tom Corbett is expected to nominate City Councilman Bill Green as the new chairman of the School Reform Commission today. And the governor will be in Philadelphia, where is set to appear at Central High School -- a stop expected to draw protesters -- to present achievement awards. In other schools news, Corbett is planning to propose hundreds of millions of dollars in new education funding next month, and three Philadelphia principals have been fired in a widespread cheating scandal that has now implicated 138 educators across district, with further investigations and disciplinary actions expected.
2. PATCO delays: PATCO is beginning a two-year, $103-million track-replacement project on the Benjamin Franklin Bridge on Saturday, with major delays (especially on Mondays and Fridays) expected during the project's duration.
3. Obama's NSA speech: President Barack Obama will address the National Security Agency's phone and Internet data-collection methods in a speech this morning, and will detail changes to the surveillance programs.