Well, the first half of the theory is that you won't be making anything, you'll be selling it, to people, who also don't make things and have similar white collar jobs.
Its like the analogy I used before, You used to have a job making staplers, that job goes overseas, your new job...is selling staplers at staples office supply store to consumers who used to manufacter things but now sell things or hold some kind of service oriented job.
Not saying its right or wrong, but the attitude of both political parties today is that the USA is a service oriented economy, we sell, we design and create and market, but the making part is done somewhere else. Its dangerious thinking, in that, in reality, in todays world, any job, any thing that is done, can be (and apparently already is) exported or outsourced.