Now Playing: Debt Ceiling: America Gets Angry

Now Playing: 3 must-know yoga moves to refresh yourself

Now Playing: Mark and Donnie Wahlberg share tributes to announce death of their mom, Alma

Now Playing: Suspect taken into custody after Long Island supermarket shooting

Now Playing: Jessie Mei Li dishes on new fantasy series

Now Playing: Nigella Lawson’s delicious crab mac and cheese

Now Playing: How BIPOC can access the hidden job market

Now Playing: When will children be able to get COVID-19 vaccine?

Now Playing: Superhuman athlete writes love letter to ‘runner’s high’

Now Playing: ‘Racism is an American problem’: Attorney General Merrick Garland

Now Playing: FDA stops production of Johnson & Johnson vaccine

Now Playing: CDC reevaluating mask mandate for vaccinated people

Now Playing: Howard University dissolves classics department

Now Playing: Jury resumes deliberations in Chauvin trial

Now Playing: ABC News Live Update: Johnson & Johnson vaccine faces another setback

Now Playing: Nation braces for verdict in trial of Derek Chauvin

Now Playing: ABC News Live Update: Jury deliberations underway in trial of Derek Chauvin

Now Playing: Johnson & Johnson vaccine setback

Now Playing: Deliberations underway in trial of Derek Chauvin

Now Playing: Nation on high alert during deliberations in trial of Derek Chauvin