The implications of a US company buying Panama's ports

The American investment company BlackRock has signed a deal to buy ports on the Panama Canal from a company in Hong Kong. This comes after weeks of President Donald Trump claiming, without evidence, that China operated the vital trade waterway. Carolyn Beeler discusses the significance of the ports changing hands with Andrew Thomas, author of "The Canal of Panama and Globalization: Growth and Challenges in the 21st Century."