"We want to replace Ra's al Ghul." "Okay, how about we have Talia take over her father's operation? Not only does it increase the tension between her and Batman, but it plays on Ra's insistence that Talia bear him a male heir." "No, let's just make up a whole new character, who is Ra's' older, meaner, smarter daughter who bends Talia to her will and pushes Batman to the edge in her first appearance." "Yeah, that's better."