Vice President Biden opens up about his son’s death, Cancer Moonshot, and why Trump’s tactics are harmful to America

In a revealing interview with Yahoo Global News Anchor Katie Couric, Vice President Joe Biden opens up about losing his son Beau to cancer and being tapped by President Obama to lead the Cancer Moonshot initiative. He also weighs in on the 2016 presidential election and blasts Republican nominee Donald Trump for not understanding the consequences of his words