(NBC News) Tens of thousands of people are expected to visit the nation's capitol this weekend for events commemorating the 50th anniversary of the March On Washington and Martin Luther King Jr.'s "i Have A Dream" speech.
The march is about much more than looking back; its about continuing unfinished business.
A new survey by the Pew Research Center shows fewer than half of Americans believe the country has made significant progress toward racial equality.
The survey found that the wealth and income gaps between blacks and whites has actually increased since the 1960s.
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