PITTSBURGH - It's primary election day in Pennsylvania and in the marquee race, Democratic voters will choose their nominee for governor.
Businessman Tom Wolf is considered the front-runner after having poured $10 million of his own money into an ad campaign. His rivals are U.S. Rep. Allyson Schwartz, state Treasurer Rob McCord and former state environmental protection secretary Katie McGinty. T
he Democratic nominee takes on Republican Gov. Tom Corbett in the Nov. 4 election.
There also is a five-way race for the Democratic nomination for lieutenant governor. Corbett and Lt. Gov. Jim Cawley are unopposed on the GOP side.
Pennsylvania voters will choose party nominees for all seats in the U.S. House and for all state House seats and half of the 50 state Senate seats.
Polls opened at 7 a.m. and close at 8 p.m. Tuesday.