In this Thursday, June 25, 2015 file photo, activists hold Confederate flags near the monument for Confederate President Jefferson Davis on Monument Avenue in Richmond, Va. The monument was vandalized the previous night, spray-painted with the phrase "Black Lives Matter," after a deadly mass shooting at a Charleston, S.C. predominantly-black church sparked a nationwide debate on the public display of Confederate imagery. Steve Helber/AP Photo

America’s Oldest Problem, Still Unsolved

In 1858, Abraham Lincoln famously told the Illinois Republican State Convention that, “a house divided against itself cannot stand,” arguing that the country couldn’t thrive while split over slavery. Ibram X. Kendi, director of the Antiracist Research and Policy Center at American University, joins guest host John McCaa to talk about why racism today is threatening to rip the country apart again, which he writes about for The Atlantic.