FDA commissioner responds to U.K. authorizing COVID vaccine ahead of U.S.

FDA Commissioner Dr. Stephen Hahn told CBS News that the United Kingdom’s emergency authorization of Pfizer’s COVID-19 vaccine before the United States “doesn’t affect us.” Hahn was reportedly summoned to the White House on Tuesday to explain why the FDA has yet to authorize the vaccine for mass public distribution. CBS News senior foreign affairs correspondent and “Face the Nation” moderator Margaret Brennan joins CBSN’s “Red and Blue” host Elaine Quijano with the details.