Philly PA Democrats at it again, trying to add in all sorts of language to section 505 (Use of Force in Self-Protection) & section 507 (Use of Force for the Protection of Property.) that requires a person to retreat if possible (sound familiar) as well as nonsense about not following someone if a peace officer or dispatcher tells them not to.
http://amgoa.org/Proposed-Pennsylvania-Gun-Law-HB1812/State-Law/10026
http://amgoa.org/Proposed-Pennsylvania-Gun-Law-HB1812/State-Law/10026