In the run up to the midterms, no issue has upended the battle for control over Congress and statehouses as abruptly as abortion. Could it slow down — or stop — the anticipated red wave?    Read more: The Supreme Court’s decision to overturn Roe v. Wade in June has shifted the midterm landscape. Many had previously anticipated a Republican wave in November, but that advantage could be eroded by voters concerned over the rollback of abortion protections around the country.  Since this summer, Democrats have overperformed in special elections, and voters showed up in droves to reject a ballot measure aimed at restricting abortion in deeply conservative Kansas. While Democratic candidates are highlighting the antiabortion views of their opponents, Republican candidates are moderating their stances on websites and campaign trails. Campaign reporter Hannah Knowles traveled to Pennsylvania to speak with voters there about how their views on abortion will impact their voting behavior on Election Day.