NPR recently ran a series called "Success Factors: Rich, Poor And Everybody Else" that took a look at people who are in different economic classes. It's an interesting look at the types of jobs different people work, where they come from and family circumstances, and whether they believe in natural intelligence or luck.
The three-part series began with the story, "Want To Be Rich? Be Lucky, Know The Right People", focusing on two entrepreneurs who now value their wealth in the multi-million dollar ranges.
The next segment, "Paid In America: The Road To The Middle", offers interviews with four individuals and families who are in the middle class.
The series closes with "At The Economy's Bottom Rungs, Striving To Climb Up", about