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Phil Willon
Oct. 17, 2016, 1:18 p.m.

A super PAC backing Rep. Loretta Sanchez (D-Orange) for U.S. Senate launched a radio ad targeting Republican voters and attacking her rival, California Atty. Gen. Kamala Harris, as “another Barbara Boxer — a Bay Area liberal backed by the Democratic Party establishment.”

The Orange County-based PAC, called California’s New Frontier, will air the ad on radio stations in Southern California and the Central Valley, according to Stu Mollich, the PAC’s political consultant.

The ad features a Republican couple discussing how to vote in the Senate election in November, a historic statewide contest between two Democrats trying to succeed Boxer, who is retiring after four terms in the U.S. Senate.

After slamming Harris as a “Bay Area liberal,” one of the actors in the ad describes Sanchez as “an anti-establishment Orange County moderate … [with] a reputation for working across the aisle to solve problems.” The ad says that Sanchez has been endorsed by both Democratic and Republican members of Congress.

The Harris campaign called on Sanchez to repudiate the ad.

“It’s deeply disappointing, but not at all surprising, that Loretta Sanchez’s Trump-supporting allies are attacking Barbara Boxer, a tireless champion for our state and our environment,” said Harris campaign spokesman Nathan Click. “Congresswoman Sanchez should call on her allies to take down the ad and stop appearing at the group’s events.”

California’s New Frontier had raised $161,000 as of Sept. 30, according to Federal Election Commission reports. Among those who donated to the super PAC was former Los Angeles Mayor Richard Riordan, a Republican who has endorsed Sanchez.