Veterans react to Trump's executive order on military base linked to illnesses

Senior investigative correspondent Catherine Herridge joins CBSN AM with an update to an investigation into veterans' exposure to toxic military base Karshi-Khanabad, known as K2, in Uzbekistan. President Donald Trump signed an executive order late in his term recognizes veterans who served at the base and investigates any health consequences related to toxic exposure there, a move that many K2 veterans met with gratitude.