Whether the federal court erred in exercising pendent jurisdiction over state law claims and failing to follow state supreme court precedent on the interpretation of a state statute

QUESTION PRESENTED : : 1. WHETHER THIS COURT HERE MUST EXER: : ‘CISE ITS SUPERVISORY POWERS OVER LOWER FEDERAL COURTS UNDER RULE 10(a) TO KEEP THEM FROM ENCROACHING. . ON THE EXCLUSIVE RIGHT OF THE STATES ; TO DEFINE THEIR OWN LAWS? : , ee ere ii PARTIES TO PROCEEDING The Petitioner is Patrick J. Tobin, a retired Sergeant-Inspector with the San Francisco Police Department. The Respondents are the City and County of San Francisco through its public safety arm: The San Francisco Police Department.