>> martha: rex tillerson on the hot seat nominee to be secretary of state for donald trump. let's listen in on capitol hill. >> as all of us know, this is no easy task. we live in a dangerous year and a dangerous world. and after the last eight years, we face the circumstance where many of our friends no longer trust us and many of our enemies no longer fear us. rex tillerson is a serious man who understands the value of perseverance and he knows what it takes to accomplish difficult tasks. from an early age, he worked to climb the ranks in boy scouts to become an eagle scout and he started as a production engineer at exxon in 1975. eventually climbing his way to the top as ceo of the fortune 10 company. at exxon, he led one of the world's most respected