DeSantis Is Showing Strength. He’s Also Vulnerable on His Right Flank.

In April, when Gov. Ron DeSantis of Florida signed a bill banning abortion after 15 weeks of pregnancy, with no exceptions for rape or incest, he staked out a position as an unapologetic opponent of abortion rights.

But now, as polls show DeSantis gaining strength in a hypothetical Republican presidential primary in 2024, he’s under pressure from conservatives to do more. More than perhaps any other issue, abortion is a potential point of vulnerability for the Florida governor — and a rare subject on which he has faced criticism from...