Gabriel Cervera tries to help a patient who was extubated regain movement in the coronavirus disease (COVID-19) unit at United Memorial Medical Center in Houston, Texas, U.S., December 28, 2020. REUTERS/Callaghan O'Hare

Democrats spent hundreds of millions of dollars on Senate races they ended up losing. Whether they can regain control of the Senate now hangs on runoff elections in Georgia.

Democrats spent hundreds of millions of dollars on Senate races they ended up losing. Whether they can regain control of the Senate now hangs on runoff elections in Georgia.

Democrats spent hundreds of millions of dollars on Senate races they ended up losing. Whether they can regain control of the Senate now hangs on runoff elections in Georgia.

Democrats spent hundreds of millions of dollars on Senate races they ended up losing. Whether they can regain control of the Senate now hangs on runoff elections in Georgia.

Democrats spent hundreds of millions of dollars on Senate races they ended up losing. Whether they can regain control of the Senate now hangs on runoff elections in Georgia.

A general view of Cebrayil where Azeri forces regained control during the fighting over the breakaway region of Nagorno-Karabakh, Azerbaijan October 16, 2020. REUTERS/Umit Bektas

An Azeri soldier poses in front of a monumental fountain with his national flag at the entrance to the city of Cebrayil, where Azeri forces regained control during the fighting over the breakaway region of Nagorno-Karabakh, Azerbaijan October 16, 2020. REUTERS/Umit Bektas

An Azeri soldier poses with an official in front of a monumental fountain with his national flag at the entrance to the city of Cebrayil, where Azeri forces regained control during the fighting over the breakaway region of Nagorno-Karabakh, Azerbaijan October 16, 2020. REUTERS/Umit Bektas

An Azeri soldier poses on top of a monumental fountain with his national flag at the entrance to the city of Cebrayil, where Azeri forces regained control during the fighting over the breakaway region of Nagorno-Karabakh, Azerbaijan October 16, 2020. REUTERS/Umit Bektas

An Azeri soldier walks through a monumental fountain with his national flag at the entrance to the city of Cebrayil, where Azeri forces regained control during the fighting over the breakaway region of Nagorno-Karabakh, Azerbaijan October 16, 2020. REUTERS/Umit Bektas

An Azeri soldier inspects the city of Cebrayil, where Azeri forces regained control during the fighting over the breakaway region of Nagorno-Karabakh, Azerbaijan October 16, 2020. REUTERS/Umit Bektas

An Azeri soldier inspects the city of Cebrayil, where Azeri forces regained control during the fighting over the breakaway region of Nagorno-Karabakh, Azerbaijan October 16, 2020. REUTERS/Umit Bektas

An Azeri soldier inspects the city of Cebrayil, where Azeri forces regained control during the fighting over the breakaway region of Nagorno-Karabakh, Azerbaijan October 16, 2020. REUTERS/Umit Bektas

An Azeri soldier stands in front of a monumental fountain on which he hung his national flag at the entrance to the city of Cebrayil, where Azeri forces regained control during the fighting over the breakaway region of Nagorno-Karabakh, Azerbaijan October 16, 2020. REUTERS/Umit Bektas

An Azeri soldier climbs to the top of a monumental fountain to hang his national flag at the entrance to the city of Cebrayil, where Azeri forces regained control during the fighting over the breakaway region of Nagorno-Karabakh, Azerbaijan October 16, 2020. REUTERS/Umit Bektas

An Azeri soldier stands on top of a monumental fountain as he hangs his national flag at the entrance to the city of Cebrayil, where Azeri forces regained control during the fighting over the breakaway region of Nagorno-Karabakh, Azerbaijan October 16, 2020. REUTERS/Umit Bektas

An Azeri soldier stands on top of a monumental fountain as he hangs his national flag at the entrance to the city of Cebrayil, where Azeri forces regained control during the fighting over the breakaway region of Nagorno-Karabakh, Azerbaijan October 16, 2020. REUTERS/Umit Bektas

Fighters loyal to Libya's internationally recognised government celebrate after regaining control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ismail Zitouny

Fighters loyal to Libya's internationally recognised government celebrate after regaining control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ismail Zitouny TPX IMAGES OF THE DAY

A fighter loyal to Libya's internationally recognised government prays after regaining control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ismail Zitouny

Fighters loyal to Libya's internationally recognised government celebrate after regaining control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ismail Zitouny

A man prays after fighters loyal to Libya's internationally recognised government regained control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ismail Zitouny

Fighters loyal to Libya's internationally recognised government carry confiscated weapons after regaining control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ayman al-Sahili

A fighter loyal to Libya's internationally recognised government caries confiscated weapons after regaining control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ayman al-Sahili

Fighters loyal to Libya's internationally recognised government celebrate after regaining control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ismail Zitouny

Fighters loyal to Libya's internationally recognised government celebrate after regaining control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ismail Zitouny

Fighters loyal to Libya's internationally recognised government celebrate after regaining control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ismail Zitouny

Fighters loyal to Libya's internationally recognised government celebrate after regaining control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ismail Zitouny

A fighter loyal to Libya's internationally recognised government celebrates after regaining control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ismail Zitouny

Fighters loyal to Libya's internationally recognised government celebrate after regaining control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ismail Zitouny

Fighters loyal to Libya's internationally recognised government celebrate after regaining control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ismail Zitouny

A fighter loyal to Libya's internationally recognised government prays after regaining control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ismail Zitouny

Fighters loyal to Libya's internationally recognised government celebrate after regaining control over Tarhouna city, Libya, June 5, 2020. REUTERS/Ayman al-Sahili

Fighters loyal to Libya's internationally recognised government gather near covered bodies after regaining control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ayman Al-Sahili

A fighter loyal to Libya's internationally recognised government celebrates after regaining control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ayman Al-Sahili

Fighters loyal to Libya's internationally recognised government are seen after regaining control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ayman Al-Sahili

Fighters loyal to Libya's internationally recognised government are seen after regaining control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ayman Al-Sahili

A fighter loyal to Libya's internationally recognised government is seen near confiscated tanks after regaining control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ayman Al-Sahili

Fighters loyal to Libya's internationally recognised government celebrate after regaining control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ayman Al-Sahili

Fighters loyal to Libya's internationally recognised government celebrate after regaining control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ayman Al-Sahili

Fighters loyal to Libya's internationally recognised government celebrate after regaining control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ayman Al-Sahili.

Fighters loyal to Libya's internationally recognised government celebrate after regaining control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ayman Al-Sahili.

Fighters loyal to Libya's internationally recognised government celebrate after regaining control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ayman Al-Sahili.

Fighters loyal to Libya's internationally recognised government are seen on military vehicle after regaining control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ismail Zitouny

Fighters loyal to Libya's internationally recognised government drive military vehicles after regaining control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ismail Zitouny

A fighter loyal to Libya's internationally recognised government flashes victory sign after regaining control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ismail Zitouny

Damages are seen at Tripoli airport after Libya's internationally recognised government regained control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ismail Zitouny

Airplanes are seen at Tripoli airport after Libya's internationally recognised government regained control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ismail Zitouny

Airplane debris are seen at Tripoli airport after Libya's internationally recognised government regained control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ismail Zitouny

Airplanes are seen at Tripoli airport after Libya's internationally recognised government regained control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ismail Zitouny

Airplane debris are seen at Tripoli airport after Libya's internationally recognised government regained control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ismail Zitouny

General view of damaged Tripoli airport after Libyan's internationally recognised government regained control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ismail Zitouny

General view of damaged Tripoli airport after Libyan's internationally recognised government regained control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ismail Zitouny

Fighters loyal to Libya's internationally recognised government flash victory sign after regained control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ismail Zitouny

A damaged mosque is seen after Libyan's internationally recognised government regained control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ismail Zitouny

A military vehicle drives through the Tripoli airport after Libyan's internationally recognised government regained control over the city, in Tripoli, Libya, June 4, 2020. REUTERS/Ismail Zitouny

Murtazha Hamis, 11, brought in after suffering a stroke resulting in partial paralysis, does push-ups at traditional healer Bi Mwanahija Mzee's clinic in Zanzibar City, Tanzania, January 20, 2019. Bi Mwanahija Mzee has been massaging Murtazha and prescribing him herbal baths for the past year. The boy's family credits the healer with helping the child regain mobility. REUTERS/Nicky Woo SEARCH "TANZANIA HEALTH" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.