Trump's Census Defeat: John Nichols; The US & Walls: Linda Gordon; RIP MAD Magazine: Jeet Heer

Today, Trump admitted defeat on is effort to add a citizenship question to the 2020 United States Census -- as he addressed cameras live from the White House Rose Garden, we turned to John Nichols for comment. Next: Walls have been used against immigrants to the US before -- historian Linda Gordon talks about the 1920s, when anti-immigrant hostility conquered Congress. Plus: MAD Magazine (1952 - 2020): Jeet Heer on the death and influence of "one of the major showcases for media criticism in America."