Full transcript of "Face the Nation" on February 21, 2021 CBSNews Jake Sullivan, National Security Adviser Matt Pottinger, Former Deputy National Security Adviser, Fellow, Hoover Institution at Stanford University Mayor Sylvester Turner, (D-Houston) Dr. Scott Gottlieb, Former FDA Commissioner Click here to browse full transcripts of "Face the Nation." MARGARET BRENNAN: I'm Margaret Brennan in Washington. And this week on FACE THE NATION, turmoil in Texas. And President Biden makes his international debut, digging in on the challenges affecting the U.S. around the world. Brutal winter weather sparks catastrophe in Texas. Millions were left in freezing cold without power, heat, or water. Dozens are dead, and there is devastation across the state. How could this happen? We'll get an update with mayors of two key cities; Houston Mayor Sylvester Turner and Fort Worth Mayor Betsy Price. Then, President Biden makes his first appearance at the world's most exclusive club, the Group of Seven world leaders.