How do you define "rich" and "poor"?

On one hand, we have Barack Obama drawing the line between rich and middle class at families who make $75,000 or more — a surprise to those who find themselves above that line, most of whom consider themselves solidly middle class. At the same time, we have New Jersey’s Democrat-run state government setting the poverty line for children’s health-insurance subsidies at … $295,000.--Ed Morrissey, via Glenn Reynolds