Record 46.2 million Americans are poor.
22% of children live in poverty.
Dramatic drop in median income.
CBO: Jobless rate to stay 9% through 2012.
REPORT: The ranks of U.S. poor swelled to nearly 1 in 6 people last year, reaching a new high as long-term unemployment woes left millions of Americans struggling and out of work. The number of uninsured edged up to 49.9 million, the biggest in over two decades.
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