Just heard about this & didn't see it, my apologies if it's a repeat:
(Emphasis added)Pa. House approves use of deadly force
AMANDA DOLASINSKI The York Dispatch
Updated: 11/17/2010 10:45:36 AM EST
Pending Gov. Ed Rendell's approval, Pennsylvania residents won't have to retreat if they are being attacked.
The castle doctrine, a bill that evolved into an amendment in a Megan's Law bill, was passed by House members Monday night.
Defense: The bill amends Pennsylvania law by creating a presumption that an attacker or intruder intends to do bodily harm and gives individuals the right to protect themselves -- even using deadly force.
The amendment eliminates the duty to retreat before using deadly force in any place the individual has the right to be, such as an individual's home or vehicle.
Full article here