THIS EPISODE: Chadwick Boseman’s tragic death at 43 due to colon cancer is especially mourned by black America author and cultural critic Brittney Cooper tells Zerlina Maxwell, adding that his performances remain, “cultural experiences that affirm the depths and possibility of our humanity.” THEN: Police training improvements in the wake of massive protests against police brutality are discussed by Rep. Val Demings who tells Zerlina Maxwell, “It's so important that we look at developing mandatory minimum national standards for training.” AND: Donald Trump using the White House for the Republican National Convention is critiqued by historian Jon Meacham who tells Zerlina Maxwell, “We have to be eternally vigilant that… the nation is more important than the temporary occupant of the White House.” NEXT: Donald Trump’s rhetoric, and its reported reflection of Russian propaganda efforts worldwide, are blamed for allegedly fueling racial strife in the U.S., and apparently spurring violence at Black Lives Matter protests. Malcolm Nance joins Zerlina Maxwell to detail his allegations. All this and more in this Saturday edition of AM JOY on MSNBC.