The week in 12 headlines

(CNN) This week, the Biden administration maintained its focus on coronavirus --- by working to both engineer a passable stimulus package and a more robust vaccine distribution plan. Meanwhile, Republican infighting continued to dominate headlines as the party scrambles to forge a path forward without Donald Trump in the White House. 

Monday

• Covid-19 relief faces time crunch with impeachment around the corner
• GOP Sen. Rob Portman of Ohio announces he won't run for reelection, saying it's difficult to 'break through the partisan gridlock'
• Sarah Sanders' run for Arkansas governor to test value of ties to Trump

Tuesday

• Marjorie Taylor Greene indicated support for executing prominent Democrats in 2018 and 2019 before running for Congress
• Biden announces plan to increase Covid-19 vaccine supply

Wednesday

• Biden aims for comprehensive climate approach as he halts new oil and gas leases on federal land
• Leahy said he had 'muscle spasms' on Tuesday night but has been cleared for a full return 
• Threats against lawmakers fuel safety concerns for travel outside Washington

Thursday

• Trump and allies target Liz Cheney after impeachment vote 
• Biden still seeking bipartisan Covid-19 relief package despite stalemate

Friday

• Three new lawyers added to Trump's impeachment defense 
• State Republican lawmakers eye mail-in voting restrictions in Georgia and other key states 

And that was the week in 12 headlines.