A decision to overturn Roe v. Wade might upend the midterms

In an already divided country, political battle lines hardened Tuesday with the prospect that the Supreme Court is poised to overturn Roe v. Wade — a move that threatens to upend the 2022 midterm elections and turn the campaign into a massive mobilizing effort over the issues of abortion, individual rights and the contrasting philosophies of the two major political parties.

Supporters of abortion rights and their Democratic allies predicted that the thunderclap heard Monday night with Politico’s publication of a leaked draft opinion by Justice Samuel A. Alito Jr. would reverberate through...