“When you have an actor like Denzel, it’s a blessing”: Spike Lee’s new film, “Highest 2 Lowest,” marks the fifth time the Oscar-winning director and producer has collaborated with powerhouse actor Denzel Washington. Lee shares how he put the cast together, including bringing in A$AP Rocky, and what he wants audiences to take away from his latest documentary on Hurricane Katrina, “Katrina: Come Hell or High Water,” as New Orleans marks 20 years since the disaster. | CBS Mornings