The Alaskan Republican previously beat the odds to win reelection as a write-in candidate in 2010.
The former president's position on the landmark abortion ruling has been scrutinized in light of the Roe v. Wade Supreme Court leak.
"This week's vote is not an abstract exercise; this is as real and as high stakes as it gets," Senate Majority Leader Chuck Schumer said.
Senate Democrats vowed to codify abortion rights in response to news the Supreme Court is poised to overturn Roe v. Wade, but the party has few options to act.
The pedophile accusations from Republicans against Democrats surfaced during the Senate confirmation hearings of Judge Ketanji Brown Jackson.
Jay Allen Johnson left 17 threatening voicemails to two U.S. Alaskan senators over the span of five months.
Ketanji Brown Jackson appears on track to be confirmed 53-47, with three Republicans now supporting her historic nomination.
"This is really about freedom," says Tshibaka in an online video.
Murkowski noted that senators endorsing their colleagues from across the aisle used to be more common.
The Republican National Committee voted to censure Cheney and Kinzinger over their roles in the House 1/6 committee Friday.
The two donations were made to two prominent Republicans who had supported the impeachment of Donald Trump.
Some Republicans condemned Donald Trump and his movement, while others attacked Biden and Democrats for focusing attention on last year's Capitol riot.
A 65-year-old Alaska man pleaded guilty to sending threatening voicemails to U.S. Senators Lisa Murkowski and Dan Sullivan.
Trump said he would endorse Alaska Governor Mike Dunleavy only if the incumbent opposes GOP Senator Lisa Murkowski's reelection bid.
Murkowski, who voted to impeach Trump for inciting the January 6 insurrection, is one of several Republicans that the ex-president is hoping to oust in 2022.
Democrats will now be able to raise the debt ceiling with a fast-track simple majority vote in the Senate.
Jay Allen Johnson previously testified that he had no intention to carry out the threats because he is "a senior citizen and...highly disabled."
The former president is using his major GOP influence to have those he disproves of removed from office in the 2022 midterms.
Trump called for primary challenges against several GOP lawmakers who voted to pass Joe Biden's $1.2 trillion infrastructure bill.
Murkowski is one of seven Republican senators who broke with the party in voting to convict Trump in his impeachment trial after the January 6 Capitol riot.
"Threats should be taken seriously and our laws should be enforced to ensure accountability," a spokesperson for the Republican senator said.
"It's shocking. We can have differing points of view. We can express them without degrading one another, without denigrating one another," Murkowski said.
The endorsement came after former President Donald Trump backed Tshibaka last month in an effort to oust all the Republicans who voted for his impeachment.
"Murkowski has got to go! Kelly Tshibaka is the candidate who can beat Murkowski—and she will," Trump said in a statement Friday.
The Alaska senator is one of three Republicans set to support the probe into the storming of the U.S. Capitol.
"You know, usually I'm staying in the background and I just couldn't, I couldn't stay quiet anymore," Gladys Sicknick told reporters
The GOP congressman said it's an "easy" choice not to support Trump if he becomes the Republican Party's 2024 nominee.
"Republicans that say they're for [Obamacare], we gotta keep them honest, and you gotta send home the ones that lie to you," the Republican senator said.
This weekend, Trump and a number of high-profile GOP lawmakers and supporters are meeting for a Republican National Committee donor retreat in Palm Beach, Florida.
Murkowski was one of seven GOP senators who voted to convict the former president during February's impeachment trial.