HARRISBURG, Pa. (AP) – Vice President Mike Pence is making another trip to the presidential battleground state of Pennsylvania this year, this time in a campaign swing.Pence will appear Tuesday in Rochester, near Pittsburgh, to speak to a Veterans for Trump group before joining the president later at a rally in Hershey. Pence has already made three trips to Pennsylvania this year to visit manufacturers to make the case for Congress to pass the Trump administration’s rewrite of a trade pact with Canada and Mexico. Pennsylvania is important to Donald Trump’s re-election campaign next year, a state where he scored a surprise win in 2016.