Today's Takeaways: Border Walls, Tragedy on Live TV, Another Einstein Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Do Good Fences Make Good Neighbors? A History of Border Walls How Companies Make Millions Off Lead Poisoning Victims The Virginia TV Shooting: Listeners React Wildfires Consume Washington State Will There Ever Be Another Einstein? Takeaway Book Club: 'Go Set a Watchman' by Harper Lee German-born mathematician and physicist Albert Einstein (1879 - 1955) outside his home at Princeton, New Jersey, where he he is professor at the Institute for Advanced Studies, 1951 ( Ernst Haas / Getty ) Produced by PRI and WNYC