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In his trademark single-minded approach, Kilmer lost weight and learned 50 Doors songs by heart, as well as spending time in a studio perfecting Morrison's stage style.

As evil as he appears to be, he also appears to many across the world as an aging grifter whose only redeeming quality is his single-minded resolve.

Another recent result of Hegseth's single-minded bigotry is at least kind of funny.

But now that he’s healthy again, he has a single-minded focus.

If you were on board with Musk's mission, that single-minded focus was motivating, he said, and helped fuel regular 13 plus-hour days on the job.