Republican, who was at Capitol Hill last Wednesday, says he has shown no symptoms and is in quarantine

Senate's Intelligence Committee head Richard Burr receives same briefing as White House, fueling accusations that Trump administration delayed necessary action

Rare bipartisan cooperation provides free coronavirus testing for those who need it, sick pay and paid family leave, and bolsters unemployment insurance for millions of Americans

Amid conservative rancor, Democrat Chris Murphy says he has 'no delusions about Iran,' but argues it is 'dangerous not to talk to one's enemies'

Zarif claims 'cowardly' killing of Soleimani backfired, served as 'the beginning of the end of the US in the region'; says Pompeo sent Tehran 'inappropriate,' threatening letter

Democratic sponsor of measure, which picks up support of 8 Republicans, says it is aimed at reasserting Congress' authority to declare war; House can take up bill later this month

Facing protests from both Democrats and Republicans over a rushed schedule and middle-of-the-night testimony, Mitch McConnell adds more time, allows House documents as evidence

Opening sessions likely to be tangled in procedural motions, with Republicans seeking a speedy process while Democrats want time to field fresh witnesses and documents

As final preparations made for Senate trial, president's legal team claims process is 'dangerous perversion of Constitution,' worthy of condemnation

The president wants a swift acquittal, which means Republicans will need to override Democrats' demands for witnesses, setting up an intense fight just over the rules