Oprah Winfrey is holding a fundraiser for Newark Mayor Cory Booker's bid for U.S. Senate.



Oprah Winfrey discusses Lance Armstrong interview on CBS This Morning (CBS)

Tickets for Thursday's event in Jersey City range from $1,000 to $2,600. Booker's campaign says about 200 people are expected to attend.

Winfrey dubbed Booker a "rock star mayor" on her show, and the two are friends.

Facebook founder Mark Zuckerberg announced his $100 million gift to the Newark schools when he and Booker appeared on Winfrey's show in September 2010.

Polls show Booker is the front-runner in the Senate race. The primary election is scheduled for Aug. 13.


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