Rand Paul

This is the first time in U.S. history a former president has been investigated for possibly violating the 1917 law. But it's not the first time the Espionage Act has been under scrutiny, experts say.

Fauci and Paul sparred at a Senate hearing on COVID-19, escalating exchanges the two have had throughout the pandemic. Fauci also said Paul is attempting to raise money off "a catastrophic epidemic."

Sen. Rand Paul forced a vote on whether the Constitution allows the Senate to try a former president. Ahead of the trial it could indicate how many Republicans are open to voting to convict Trump.

Top leaders and rank-and-file members are getting the first wave of COVID-19 vaccines. It could speed up the return to business as usual. But some lawmakers say members should wait behind others.

Follow live updates and analysis of Day 2 of the Republican National Convention.

A small number of Republican leaders will be physically present in Charlotte, N.C., on Monday, but most of the convention will be virtual.

Fauci, the nation's top infectious disease expert, testifies about the coronavirus at a Senate committee hearing Tuesday. Watch his exchange with the Kentucky Republican about reopening the country.

After a positive coronavirus test for Sen. Rand Paul, Sens. Mitt Romney and Mike Lee, who said they had recent contact with Paul but showed no symptoms, voluntarily self-quarantine.

The Kentucky Republican has become the first U.S. senator to test positive for the coronavirus.

A failure of sufficient support from President Trump and his allies in the Senate may mean that surveillance tools called essential by the Justice Department could expire this weekend.