09.13.2019 - By NPR
Ten Democratic presidential hopefuls took to the debate stage in Houston. How did they distinguish themselves? Biden continues to tout his partnership with President Obama. How are the other candidates shifting their views on the former president's record? And that administration Biden was part of has another part of its legacy unraveled. The Trump administration is rolling back Obama-era protections for America's waterways. What impact could that have on your drinking water?