Sean Penn’s COVID-19 testing mission

ABC News’ Zohreen Shah speaks with actor and director Sean Penn about his off-screen efforts to increase coronavirus testing capacity and future vaccination sites.

Watch video on channel "ABC News"
Jon Ossoff and Raphael Warnock sworn into Senate

Jon Ossoff and Raphael Warnock sworn into Senate

Vice President Kamala Harris recited the oath of office to the new senators as they were sworn in.

President Joe Biden's inaugural parade to the Oval Office.

President Joe Biden's inaugural parade to the Oval Office.

President Joseph R. Biden Jr. made his way to the Oval Office to sign his first executive order with his family by his side.

Vice President Kamala Harris takes her walk to the White House.

Vice President Kamala Harris takes her walk to the White House.

Kamala Harris takes her first walk as vice president into the White House and Amy Klobuchar comments on the inauguration ceremony.

Former Secretary of State Colin Powell’s thoughts on today’s inauguration.

Former Secretary of State Colin Powell’s thoughts on today’s inauguration.

Retired Gen. Colin Powell, who served with Democratic and Republican administrations, remarks on President Joe Biden’s inauguration.

Sen. Roy Blunt on the inauguration

Sen. Roy Blunt on the inauguration

Chairman of the Joint Congressional Committee on Inaugural Ceremonies, Sen. Roy Blunt comments on the inauguration ceremony.