If you use the pre-18th century definition of race, it is a racial difference: the race of Floridians is, in many ways, different from the North Dakota race. An additional factor: the urban race is different from the rural race.
The problem with Social Security is the rich get a break: people only pay Social Security on the first $100,000 or so they make. Have the rich pay the same percentage as the rest of us, and Social Security will be fine.
Freeing Tibet's slaves was kind of nice of China. A Tibetan named Wangchuk told a Washington Post reporter, “I may not be free under Chinese Communism, but I am better off than when I was a slave.”
As the economy gets worse, there may be more.