For generations, the GOP campaigned on eliminating the right to an abortion in the United States. Now, torn between a base that wants more restrictions on reproductive health care and a moderate majority that does not, it seems many Republicans would rather take an off-ramp than a victory lap. And yet, they just can’t escape talking about it. The policy high point for abortion opponents — the Supreme Court’s 2022 decision to strike down Roe v. Wade — is proving a low point for public support for their cause. More American adults consider themselves “pro-choice” than at any time in the past 30 …