When Martin Luther King Jr. delivered his I Have a Dream speech, few people listening along the Washington D.C. mall could have predicted that, fewer than five decades later, we’d have a person who looks like Barack Obama working out of the Oval Office. While we’ve come a long way in terms racial equality, we still have a long way to go. How long? The answer to that question depends on who you ask. Take a look at the very interesting numbers and analysis from Pew’s latest research on how people of different races view the state of racial equality and race relations.