Re: Top 3 Favorite Scenes From The Dark Knight Trilogy
He does try to find out, but doesn't succeed before realizing it was used to bankrupt him. I think this is also another way Nolan tries to show us just how rusty he is at this. Like Batlobster just said, Ra's always said Bruces compassion was his greatest weakness, and it almost undoes him here with Selina (the old Batman might've yelled the answer out of her) and also by letting him trust the complete wrong person in Talia. But he's also rewarded for it with Selina choosing to help him instead of taking off and saving her own skin.
"No great genius has ever existed without some touch of madness." - Aristotle