President Obama carries a binder with potential Supreme Court nominees on Feb. 19, 20Reuters

TheRepublicanPartyon Monday stepped up itsfightagainst any SupremeCourtnomineeput forward by President BarackObamawhile the president's allies hit back against a conservative group's attack on a judge who had been considered for the job.

TheRepublicanParty's move to create a task force to coordinate advertising and other steps to assailObama'snomineeto fill the vacancy left by the Feb. 13 death of conservative Justice Antonin Scalia is the latest indication that the politicalfightcould become very nasty.

"It's clear whatRepublicans are planning to do," White House spokesman Josh Earnest said. "They are planning to tear down the president'snominee, without regard to who that person is."

TheRepublicanNational Committee said the task force will contract and team up with America Rising Squared, a conservative group, in the effort.


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"This will be the most comprehensive judicial response effort in ourparty's history," RNC Chairman Reince Priebus said in a statement.

"If the president wants to break with decades of precedent by pushing through anomineein an election year, we’re going to vet that person and put their real record on display," Priebus said.

Earnest declined to say whenObamawould announce his choice to fill the vacancy, beyond saying it would not be on Monday.

TheRepublicans who control the Senate have vowed not to hold confirmation hearings or an up-or-down vote on anyoneObamapicks, saying the choice should belong to the next president who takes office in January after the Nov. 8 presidential election.

The nomination requires Senate confirmation.


The stakes are high, asObama's selection could pivot the nine-membercourtto the left for the first time in decades.

In an interview with CNN Espanol that aired on Monday,Obamasaid he will make his decision "soon." He said he is looking for someone with "impeccable credentials" who "should be a consensus candidate."

Senate Democratic Leader Harry Reid denounced on the Senate floor what he called a "smear" campaign against federal appealscourtjudge Jane Kelly, who had been onObama's short list of potentialnominees.

Sources familiar with the selection process said on Friday Kelly was not among the final three under consideration, federal appealscourtjudges Sri Srinivasan, Merrick Garland and Paul Watford.

Reid was referring to an ad campaign mounted by a conservative activist group called the Judicial Crisis Network referring to Kelly as a "a liberal extremist" with a "disturbing background." It cited her prior work as a public defender in Iowa for a man charged with possessing child pornography who was later convicted of first-degree murder and sexual assault in the death of his former girlfriend's 5-year-old daughter.

The group, in a news release, called the ads the next phase of its "national campaign to educate and inform the public about what’s at stake in filling the SupremeCourtvacancy."

Reid referred to the group as "a dark money, right-wing political organization that operates in total secrecy."

"The accusations leveled against Judge Kelly are despicable," Reid said, calling on Iowa's U.S. senators includingRepublicanChuck Grassley, the chairman of the Judiciary Committee who in the past praised Kelly, to denounce to the group's charges.

The Senate voted to confirm Kelly to her current position in 2013 in a 96-0 vote.

Obamaadministration lawyers continued to review the legal opinions of three finalists, weighing whether elements could become a flashpoint for opponents on the right or even the left. The current finalists generally are considered more moderate than liberals in the tradition ofObama's two previous appointments, Sonia Sotomayor and Elena Kagan.

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