The most recent polling shows Harrison and Graham tied at 42 percent support among registered voters.
Graham's probe kicked off in earnest Wednesday when the Judiciary Committee heard the testimony of the former official who appointed Robert Mueller.
While there appears to be consensus the COVID-19 crisis will necessitate further relief measures, Republicans have called for a pause on deciding what those should be.
Partisan bickering and Senate disputes over the HEROES Act have placed doubt on when -- or if -- Americans will receive a second coronavirus relief stimulus check over the coming weeks.
Some Senate Democrats are also expressing concerns about what the HEROES Act could do for the economy.
Democrat Mike Broihier, 57, is an outsider in the race for the Senate seat, which pits McConnell against the Democrat frontrunner Amy McGrath.
"Mitch is the king of the swamp. Mike is a farmer, educator, former small-town newspaper editor, and a former Marine officer. Who would you vote for?" Yang said in his endorsement of Mike Broihier.
If passed, the bill, introduced by Senators Amy Klobuchar of Minnesota and Ben Sasse of Nebraska, would provide Americans unemployed due to the pandemic with a $4,000 tax credit to use on training programs so they can have a competitive edge in the post-pandemic workforce.
"Jeff, you had your chance & you blew it," the president tweeted Saturday.
Republican senators in Montana and Iowa are trailing their Democratic challengers in fundraising as state primaries approach, recent FEC filings reveal.
Senate Majority Leader Mitch McConnell indicated that he may be ready to move forward with another coronavirus relief package soon after a host of Republican senators called for new legislation that he had previously sought to put a "pause" on.
GOP U.S. Senate nominee Jo Rae Perkins issued a statement Thursday insisting that she was "taken out of context" by the "fake news" after she posted a video to Twitter thanking those involved with the QAnon conspiracy theory on Tuesday.
Republicans in the Senate have called for a pause before potentially issuing another relief bill, indicating their desire to first evaluate the work that has already been done.
The $3 trillion package passed by Democrats has been dubbed "dead on arrival" by the Senate leadership.
"Democrats are really expanding the Senate map. One of the reasons they've been able to do that is because they have good candidates," said one election forecaster.
Democrats have spoken of "urgency" in pushing through further measures during the COVID-19 crisis.
The status of Chuck Canterbury, a former national president of the Fraternal Order of Police, had been in limbo for months after a number of conservatives disapproved of his nomination by President Donald Trump to lead the Bureau of Alcohol, Tobacco, Firearms and Explosives last year.
The GOP incumbent is now down by double digits against her Democratic challenger.
Senator Richard Blumenthal (D-Conn.) led a group of 15 senators sponsoring the Untraceable Firearms Act of 2020 on Thursday, which would regulate parts and materials commonly used to make untraceable "ghost guns."
House Democrats want to send another round of $1,200 payments, and President Trump has suggested he is open to the idea.
"People in Kentucky know that he doesn't care about them and they want him gone," McGrath said.
While a vaccine would quell some concerns about reopening schools for in-person lessons, Fauci said it wasn't realistic to expect one to be available.
GOP incumbents in Arizona, North Carolina, Colorado and Maine are lagging behind their Democratic challengers in recent polls.
Candidate Jaime Harrison said that he can make "Nostradamus" predictions that he will win the election in South Carolina, and that Biden will win the presidential race both in his state and in the nation as a whole.
"I was thinking maybe we can survive four more years of Donald Trump but we couldn't survive six more years of Mitch McConnell," Senate candidate Mike Broihier told Newsweek
President Donald Trump on Wednesday vetoed a joint resolution that would have limited his ability to use military power against Iran without Congressional approval.
The Lincoln Project has been in a spat with the president, who branded those in the group "losers."
A coalition of state attorneys general is pushing for the Senate to reauthorize the Violence Against Women Act as concern rises over domestic violence during the coronavirus pandemic.
Democrats need to pick up four seats and maintain all their current seats in order to wrestle control of the Senate from Republicans in November.
A phased return to business has been proposed by Republican House Minority Leader Kevin McCarthy.