MSNBC The 11th Hour With Brian Williams December 5, 2019 07:29:00
Dana-farber cancer institute discovered the pd-l1 pathway. pd-l1. they changed how the world fights cancer. blocking the pd-l1 protein, lets the immune system attack, attack, attack cancer. pd-l1 transformed, revolutionized, immunotherapy. pd-l1 saved my life. saved my life. saved my life. what we do here at dana-faber, changes lives everywhere. everywhere. everywhere. everywhere. everywhere. did you see that video of prime minister trudeau talking about you last night? >> well, he's two-faced. and honestly with trudeau, he's