One week from Sunday, the country will officially dedicate the Martin Luther King, Jr. National Memorial in Washington. The 30-foot statue honors the civil rights icon we know. But a Broadway play – officially opening Thursday – will show the King we don't know – what the man could have been like behind closed doors. And two heavyweights of the stage and screen are bringing the story to life - Kenny Leon and Samuel L. Jackson. CNN's Don Lemon interviewed the men about "The Mountaintop."