Jesse Watters said Thursday on "The Five" that former Vice President Joe Biden would be better served "making money in the Trump economy" than making a third attempt at running for president.

Biden spoke earlier this week in Newark, Del., at the University of Delaware's Biden School of Public Policy, telling the crowd that he doesn't want a bid to be "a fool's errand."

"If we do this, and we're very close to getting to a decision, that I am fully prepared to do it," Biden said.

Watters expressed incredulity at a quote from Biden, in which the Scranton, Pa. native said he's "taking a hard look at whether or not this alleged [public] appeal I have -- how deep does it run, is it real?"

"The man has no base," Watters said in reaction. "[A potential bid] is just going to deflate."

Watters said that if Biden runs, his bid will end in a similar manner to the 2008 run by former New York City Mayor Rudolph Giuliani (R).

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He said Giuliani was enjoying high poll numbers before announcing his bid, but that the conservative's run ended prematurely.

"[When] Kamala and Pocahontas and Booker start sinking their teeth into [Biden], he's too clumsy to handle these attacks on identity," Watters said of Sens. Kamala Harris (Calif.), Elizabeth Warren (Mass.) and Cory Booker (N.J.).

Juan Williams said Biden should be given appropriate space to decide whether a presidential run would be fruitful.

Williams said the death of Biden's son, former Delaware Attorney General Joseph "Beau" Biden III, still weighs on his family.

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