Rep. Rush Holt has released two web videos in his campaign for U.S. Senate.

Screen shot from Rush Holt video (YouTube)

Both zero in on his chief rival for the job, Newark Mayor Cory Booker.

Booker is the early favorite to win the Aug. 13 Democratic primary. Rep. Frank Pallone and Assembly Speaker Sheila Oliver are also seeking the party nomination.

The video released Wednesday shows a young African American teacher proclaiming her support for Holt despite liking Booker.

An earlier ad opens with Holt contrasting himself with Booker, who has more Twitter followers, has run into a burning building to rescue a neighbor and is friends with Facebook founder Mark Zuckerberg.

Holt says in the ad he plans on beating Booker the same way he outsmarted a computer named Watson on "Jeopardy."

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