Pennsylvania's election season could easily be remembered years from now for the unassuming, 60-second campaign TV ad that hit the airwaves Jan. 30 and introduced Wolf's campaign for governor to the vast majority of voting Pennsylvanians. When Wolf declared his candidacy early in 2013, he also pledged to sink $10 million of his own money into his primary campaign, making him an immediate threat, despite his near-anonymity with voters. [...] on tap in Tuesday's primary is the race among five candidates for lieutenant governor — former U.S.