A Lehigh County judge Friday quashed a challenge to District Attorney Jim Martin's re-election bid. Lower Macungie resident Robert Sharpe, claimed Martin’s use of his secretary to notarize election petition documents goes against state notary code.Sharpe is running for Lower Macungie Commissioner.Judge Carol McGinley agreed with Martin's attorney, Patrick Reilly who pointed to a Pennsylvania Supreme Court ruling that affirmed a challenge can only be brought by a person in the same party.“Pennsylvania has a closed party system, and a member of the opposing party can’t issue a challenge,” said …