[ Walt had been about to disconnect the call, but the prompt to wait gives him pause. He's not sure what Will is about to say, but perhaps it would be something of an apology. An apology that Walter believes he's owed as Will had offended him by insinuating he was like Crane in his methods -- cold and callous, priding himself over victories without a care in the world for his victims. Walt wasn't a sadist in his own eyes, and what he had done to Chilton in the past had been justified -- lessons taught, but not necessarily ones where anything was learned by Chilton.

But Will's chosen method of attack is effective in that it's offering a point to relate to. And Walter White always strives to relate to others. ]

You know of his future...

[ The words trail off, a slow and sluggish thought. ]

So is it bad? What happens to him? Is that what you're trying to prevent? Though....I don't know how it could get much worse. Than Gideon.