Why Obama doesn't support Joe the Plumber, but McCain does?

Businesses hire and pay employees. If you tax businesses, they have less money for raises. It is important for us to realize that we can not bite the hand of our employer. That is why building the economy from the bottom up presents problems. You first have to hired by a successful company. What good does it do to give poor people money if they can not find a job due to taxing businesses heavily? It is important to study economics at a University and actually learn the material or study from a non-biased book.