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is largely seen as the prohibitive favorite for the party's nomination if she runs. Other lawmakers, including Vice President Biden, Maryland Gov. Martin O'Malley, Sen. Kirsten GillibrandKirsten GillibrandTim Kaine backs call to boost funding for Israeli missile defense The Trail 2016: The newrevolution begins Democratic National Convention event calendar MORE
(D-N.Y.), and New York Gov. Andrew Cuomo (D), are also perceived as possible 2016 candidates.
Dean told the network that Clinton would not have "a pass" if she decided to run, despite early polls showing her with substantial leads over other Democrats.
"There will be other people who will run," Dean said.
But Dean, whose 2004 presidential campaign derailed after a disappointing third-place finish in the Iowa caucuses his often-mocked yell, sometimes called the "Dean Scream", said he was leaning against a run at the moment.
"If you had to put a gun to my head and make me decide right now, I wouldn't," he said. "But who knows?"