Bring em back!
Stop hanging people and give them a shot at staying alive. Roman rules. You beat the cat, you live out a life sentence. Thats a much bigger deterent than a silly old electric chair or a rope.
I can see networks fighting for the rights to the broadcast ppv events now. Turn those boring big city stadiums into some real money makers 5 nights a week. Sold out crowds, guaranteed.
Shit, I bet there are some idiots that would want to fight a lion or a tiger voluntarily just to get on t.v.