After watching the last 5 minutes again, i pretty sure Lori is dead as when Rick turned to Karl crying "why you" Karl didn't move as he looked traumatized..
That scene was strong!
Is it just me or does the Governor sounds a bit like Liam Neeson?
Now that you mention it, the Governor DOES look/sound like Neeson.
TIS
"Mankind must put an end to war before war puts an end to mankind. War will exist until that distant day when the conscientious objector enjoys the same reputation and prestige that the warrior does today." JFK