Sen. Jeff FlakeJeffrey (Jeff) Lane FlakeFlake donates to Democratic sheriff being challenged by Arpaio in Arizona The Hill's Morning Report - Trump says US-China trade talks to resume, hails potential trade with Japan, UK Joe Arpaio to run for Maricopa County sheriff in 2020  MORE (R-Ariz.) announced Thursday that he will try to force a vote on legislation protecting special counsel Robert MuellerRobert (Bob) Swan MuellerLewandowski says Mueller report was 'very clear' in proving 'there was no obstruction,' despite having 'never' read it Fox's Cavuto roasts Trump over criticism of network Mueller report fades from political conversation MORE after President TrumpDonald John TrumpAlaska Republican Party cancels 2020 primary Ukrainian official denies Trump pressured president Trump goes after New York Times, Washington Post: 'They have gone totally CRAZY!!!!' MORE ousted Attorney General Jeff SessionsJefferson (Jeff) Beauregard SessionsTrump reignites court fight with Ninth Circuit pick Democrats press Nadler to hold Lewandowski in contempt Pelosi: Lewandowski should have been held in contempt 'right then and there' MORE Wednesday.
 
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"When the Senate convenes next week, @ChrisCoons and I will ask for unanimous consent to bring S.2644, the Special Counsel Independence and Integrity Act, to a vote on the Senate floor. After the firing of The AG, it is more important than ever to protect the Special Counsel," Flake said in a tweet. 
Under Senate rules, Flake can go to the floor and ask for consent to set up a vote or even pass a piece of legislation. But any one senator can block his request, and given the opposition within the GOP caucus to the special counsel bill, Flake's move will likely be unsuccessful. 
 
The Senate Judiciary Committee passed legislation last year that would protect Mueller, or any other special counsel, in the event he is fired, but the bill has stalled amid opposition from GOP leadership. 
 
The bill would codify Justice Department regulations that say only a senior DOJ official can fire Mueller or another special counsel.
 
It would give a special counsel an "expedited review" of their firing. If a court determines that it wasn't for "good cause," the special counsel would be reinstated.
 
Flake's decision to try to get a vote next week comes after Trump removed Sessions as attorney general this week and named Matthew Whitaker, Sessions's chief of staff, as his temporary replacement.
 
The Justice Department confirmed that Whitaker would take over oversight of Mueller's investigation into the 2016 election, which Deputy Attorney General Rod RosensteinRod RosensteinLewandowski says Mueller report was 'very clear' in proving 'there was no obstruction,' despite having 'never' read it Nadler's House committee holds a faux hearing in search of a false crime House Democrats seeking Sessions's testimony in impeachment probe MORE had overseen after Sessions recused himself last year due to his work on the Trump campaign.
 
Whitaker has previously been critical of Mueller's investigation and his ascendence to atop the Justice Department on Wednesday sparked immediate calls from Democrats for him to recuse himself and for Congress to pass legislation protecting Mueller.
 
But Democrats, who are in the minority, are not able to muscle through legislation protecting Mueller on their own. And Republicans, including Majority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellDC statehood push faces long odds despite record support Overnight Energy: California, 23 other states sue Trump over vehicle emissions rule | Climate strike protests hit cities across globe | Interior watchdog expands scope of FOIA investigation | Dems accuse officials of burying climate reports Hillicon Valley: Lawmakers say Zuckerberg to 'cooperate' on antitrust probes | Dems see victory after McConnell backs election security funds | Twitter takes down fake pro-Saudi accounts MORE (R-Ky.), have repeatedly denied the need for the bill because they have said they do not believe Trump will fire Mueller.
 
"I haven't seen a clear indication yet that we needed to pass something to keep him from being removed because I don't think that's going to happen, and that remains my view," McConnell told reporters in April