The mayor of Stockton, California, pleaded not guilty on Thursday to criminal charges stemming from a strip poker game he is accused of playing while furnishing beer to minors at a summer camp he hosts for underprivileged children.Anthony Ray Silva, 41, was arraigned in Amador County Superior Court on a felony eavesdropping charge and three misdemeanor counts - contributing to the delinquency of a minor, child endangerment and supplying alcoholic beverages to underage persons. Silva, who is free on $20,000 bond, entered not guilty pleas to all four charges. His next court date was set for Sept. 7. Outside the...