Sen. Elizabeth Warren Elizabeth WarrenBiden's fiscal program: What is the likely market impact? Warren, Schumer introduce plan for next president to cancel ,000 in student debt The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon MORE (D-Mass.) on Thursday said Democrats should not rush to coronate former first lady Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE as their 2016 presidential candidate.

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“I think there needs to be a vigorous debate in the whole question of running for president,” Warren said on “CBS This Morning.”

“I think everyone who is running for president should be talking about what they plan to do to strengthen and rebuild America’s middle class,” she added.

Warren argued that Clinton had not yet made her economic policies clear for voters.

“Charlie, I’ll tell you where I stand on all the key issues,” Warren told host Charlie Rose.

“It’s up to others to say whether they stand there as well, or if they stand in some different place,” she continued, citing her positions on minimum wage, equal pay and trade as examples.

“I’d like to see her address all of these issues,” Warren said of Clinton. “You know, we have a big debate going on right now with trade within the Democratic Party.”

Warren argued that Democratic momentum was too strong to blindly accept any one candidate for 2016. She urged the party’s base to think carefully about whom they will pick as President Obama’s potential replacement.

“I don’t think the Democratic Party is a static thing,” she argued.

Some Democratic operatives have long hoped Warren will challenge Clinton, the presumptive front-runner, for the party’s nomination in 2016. The popular lawmaker said on March 31 she is “not going to run.”