Kelly, who has never held political office, became politically active after his wife, Rep. Gabby Giffords, was shot in a 2011 assassination attempt.
People who know Mercer say he is likely taking a step back after being portrayed in a negative light for backing Donald Trump and Republicans over the years.
John Weaver, the chief strategist for GOP Ohio Gov. John Kasich, shot back at Trump after the president told Fox News "I hope so" when asked about Kasich or GOP Sen. Jeff Flake running against him.
In his farewell address to congress, Sen. Jeff Flake (R-Ariz.) warns Americans to be vigilant against authoritarianism's threat to democracy.
"Let us recognize as authoritarianism reasserts itself in country after country that we are by no means immune," Sen. Jeff Flake tells his Senate colleagues in his farewell address.
The REDUCE Government Waste Act aims to "eliminate some of the most bizarre examples of wasteful spending" like robots that can serve beers or concoct drinks.
Sen. Mike Lee, R-Utah, objected to the attempt to bring the bill forward, arguing that passing the legislation would be "fundamentally undermining the principle of separation of powers that is so core to our liberty."
Trump's Twitter tantrum came as Democrats in Congress and Republican Sen. Jeff Flake of Arizona called for legislation that would protect the former FBI Director Robert Mueller from being fired before his ongoing investigation is finished.
The Arizona Republican, who did not seek re-election and will retire at the end of his term, made the announcement on the Senate floor, minutes after Senate Majority Leader Mitch McConnell, R-Ky., objected to his attempt to bring up the bill.
Utah Republican Senate elect Mitt Romney plans to submit requests to join at least three Senate committee posts, including the Finance and Commerce committees.
Mark Salter, who was a confidant to and co-author for McCain for decades, responds to Sinema's apparent victory by breaking down what it meant for President Trump and the GOP in the state — not good.
Democratic Rep. Kyrsten Sinema took a slim lead over Republican Rep. Martha McSally in Arizona's U.S. Senate race.
President Donald Trump comments on the midterm elections after Republicans held control of the Senate and Democrats won a majority in the House of Representatives.
"When she leaves the administration I'd be happy to buy her lunch and see what's happening with Trump, the economy, [special counsel] Bob Mueller" and whether she wants to run in 2020, Kristol said
As the midterm elections draw closer, the Republican stranglehold on the Senate has shown few signs of slipping. If Republicans can hold or expand their majority, President Donald Trump can continue to push to confirm conservative judges.
In a new Federal Election Commission filing, the PAC, New Day for America, brought in $335,500 from July into late September. It's the most the group has raked in during a quarter this year, boosted by six-figure sums from a couple of individual donors.
"I've never been more disturbed than I am right now," said the senior Republican lawmaker, who plans to meet with the Saudi ambassador.
Republicans and Democrats will spend the final month of the midterm election campaign in an unprecedented test of the potency of gender politics.
Collins revealed her decision Friday afternoon, hours after a key procedural vote in the confirmation process. Minutes after her announcement, West Virginia Democratic Sen. Joe Manchin said he would also vote yes on Kavanaugh.
The Arizona Republican says he would support Kavanaugh shortly after he voted to advance the judge's nomination to a final vote, which is expected Saturday.