Straight to the heart of it. Jesse shifted his weight from one foot to the other, subtly backing up a single step. "I, uh..." What could he say that wouldn't give away too much? He couldn't pretend he was from the future because he didn't know enough about what happened. But he did know it was Brock that Gus must be asking about. If he acknowledged it at all, would he be betraying Mr. White?

The easier lie: "I don't know what you're talking about."