South Africa’s concern with omicron COVID-19 variant.

ABC News producer Liezl Thom joins from Pretoria, South Africa, to share insight on the new omicron COVID-19 variant and how the country is responding.

Watch video on channel "ABC News"
Advocates launch hunger strikes across US for voting rights.

Advocates launch hunger strikes across US for voting rights.

Over 100 national and grassroots organizations planned to gather in Washington, D.C., for a march on Martin Luther King Jr. Day.

Possible Russian invasion is 'biggest crisis in post-Cold War relations': Pannell.

Possible Russian invasion is 'biggest crisis in post-Cold War relations': Pannell.

The Powerhouse Roundtable breaks down the latest news on "This Week."

Biden admin 'needs to acknowledge some failure' with COVID-19 response: Bossert.

Biden admin 'needs to acknowledge some failure' with COVID-19 response: Bossert.

Martha Raddatz interviews Tom Bossert on "This Week."

'We are not going to roll over' on voting rights: Clyburn.

'We are not going to roll over' on voting rights: Clyburn.

Martha Raddatz interviews House Majority Whip Rep. Jim Clyburn on "This Week."

Texas hostage situation could 'encourage copycats': Former FBI hostage negotiator.

Texas hostage situation could 'encourage copycats': Former FBI hostage negotiator.

Martha Raddatz interviews former FBI agent Brad Garrett on "This Week."