How can US incomes be growing and not growing and both be true? Explain. How come the rich are always getting richer but their share of income does not seem to be changing? Explain. What is the status of the poor today compared to 40 years ago? Explain. What impact does willingness to work and the presence of welfare have on income? Explain. How are the rich and poor different on the work item? Explain. What is the danger of a politician who proclaims envy against those who earn more? Explain.