By James Oliphant WASHINGTON (Reuters) -The match-ups for several high-profile U.S. congressional and gubernatorial races in November’s midterm elections began to take shape in Pennsylvania and North Carolina on Tuesday. Here are three takeaways from the primary elections: ABORTION ON THE BALLOT Abortion rights will be a central issue in the open race for Pennsylvania’s governorship. Democrat Josh Shapiro, the state’s attorney general, ran unopposed in the Democratic primary in his bid to replace Democratic Governor Tom Wolf and has vowed to protect abortion rights against a Republican-control…