State Attorney General Letitia James’ campaign pledge to probe former President Donald Trump’s business dealings—a promise she made before she even set foot in office—could make her vulnerable to an upset in her bid for reelection on Nov. 8, said New York Law School professor Rebecca Roiphe.

On the other hand, the professor said James’ opponent, Republican Michael Henry, appears to lack experience in the public arena, a weakness for the Queens commercial litigator.