Challenger Bill Durston cries foul as 'Democratic' slate lists GOP's Dan Lungren. It was either a printer's error or a political trick.But somehow, the "Democratic Voters Choice" slate mailer that went out to voters in the 3rd Congressional District ended up endorsing Republican incumbent Dan Lungren instead of his Democratic challenger, Bill Durston.Durston condemned the for-profit mailing Monday, calling it "dirty politics" designed to mislead Democratic voters.Meanwhile, Burbank political operative Tom Kaptain, who runs the mailer, said the Lungren endorsement was a typesetting mistake. He said he had been unaware of the problem until notified by a reporter."Absolutely, it's a...