More Ore. sheriffs join resistance to new gun laws (AP) — More sheriffs in Oregon say they oppose potential federal laws that could affect law-abiding gun owners. The Eugene Register-Guard (http://bit.ly/UwWmun ) reports that sheriffs from Douglas, Grant and Crook counties have followed Linn County Sheriff Tim Mueller's lead in telling Vice President Joe Biden in a letter that they wouldn't work with federal officials to enforce potential gun laws they consider unconstitutional.