People are great programmers when they're working on something that they're interested in and the feel like they're making progress on something, and learning t

People are great programmers when they're working on something that they're interested in and the feel like they're making progress on something, and learning things from other great programmers. Hiring is part of this, because not only should the employer (meaning the team members) be evaluating for this but the potentially great new programmer should also be trying to determine if this is somewhere they can be great.