A Hillary ClintonHillary Diane Rodham Clinton5 things to know about Boris Johnson Trump says Omar will help him win Minnesota The Hill's Morning Report — Trump applauds two-year budget deal with 0 billion spending hike MORE campaign aide appeared to confirm on Tuesday that the presumptive Democratic presidential nominee plans to announce her running mate on Friday.

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During an interview with CNN, Karen Finney was asked whether the announcement would occur Friday.

“I expect that’s about right,” she said, refusing to give any hints about who the choice might be.

Finney later tweeted that no announcement is set, however.

Clinton is scheduled to be campaigning in Florida on Friday and Saturday.

For her running mate, the list Clinton is expected to choose from includes Housing Secretary Julian Castro, Sen. Tim KaineTimothy (Tim) Michael KaineOvernight Health Care — Presented by PCMA — Health care moves to center stage of Democratic primary fight | Sanders, Biden trade sharps jabs on Medicare for All | Senate to vote on 9/11 bill next week | Buttigieg pushes for cheaper insulin Health care moves to center stage in Democratic primary fight Dems open to killing filibuster in next Congress MORE (D-Va.), Sen. Sherrod BrownSherrod Campbell BrownThe Hill's Morning Report — Trump applauds two-year budget deal with 0 billion spending hike The Hill's Morning Report - A raucous debate on race ends with Trump admonishment On The Money: Senators unload on Facebook cryptocurrency | Tech giants on defensive at antitrust hearing | Democrats ask Labor Department to investigate Amazon warehouses MORE (D-Ohio), Sen. Elizabeth WarrenElizabeth Ann WarrenPoll: Biden leads 2020 Democratic field by 15 points, followed by Sanders and Warren Warren introduces bill to cancel student loan debt for millions Democrats, advocacy groups urge Pompeo to abolish new 'unalienable rights' commission MORE (D-Mass.), Sen. Cory BookerCory Anthony BookerBooker takes swipe at Biden criminal justice reform plan Democrats, advocacy groups urge Pompeo to abolish new 'unalienable rights' commission Biden announces plan to counteract mass incarceration MORE (D-N.J.), Labor Secretary Tom PerezThomas Edward PerezClinton’s top five vice presidential picks Government social programs: Triumph of hope over evidence Labor’s 'wasteful spending and mismanagement” at Workers’ Comp MORE and retired Navy Adm. James Stavridis.

The campaign has been tightlipped about who on the list Clinton is leaning toward, though many of those close to the former secretary of State expect that she will go with Kaine, widely considered the safe choice.

On Monday, a new report said that Castro violated a law prohibiting federal employees from making personal political statements while appearing in an official capacity.

in an interview aired on Tuesday with Charlie RoseCharles Peete RoseScott Pelley: Complaints to execs about 'hostile' workplace led to ouster from CBS Evening News Study finds misconduct is the top reason CEOs are leaving large companies 'Epic' talent shuffle to come to CBS News: report MORE, Clinton said of Kaine, "he's never lost an election, he was a world class mayor, governor and senator." She called Warren "amazing" for "raising the hard issues that we're going to have to address."

She told Rose she was "looking for someone who can be a world class president of the United States and who can help me govern."