Host Luke Burbank and announcer Elena Passarello go down some internet rabbit holes; W. Kamau Bell breaks down the difference between white supremacy and white supremacists on his CNN documentary series "United Shades of America;" science reporter Julia Rosen schools us on the invasive nature of earthworms; and singer-songwriter Samantha Crain details how her days as a child powerlifter prepared her for a life of touring, before performing "High Horse" from her album "A Small Death."