How one note from Lady Gaga told the story of Joe Biden's inauguration

In his inaugural address, Joe Biden spoke of the perennial challenges of racism, nativism and fear that the U.S. has faced and appealed to a unity he acknowledged seemed to some "like a foolish fantasy these days." Moments earlier, Lady Gaga set the stage for that message by putting particular emphasis on a line in the U.S. national anthem celebrating the endurance of the republic.