Jackson’s hearings could produce fireworks. These are the topics that’ll likely cause sparks.

Supreme Court nominee Ketanji Brown Jackson could face questions on divisive issues such as affirmative action, child pornography sentencing and her representation of Guantanamo Bay detainees when she appears before the Senate Judiciary Committee this week.

While President Joe Biden’s first high court pick so far seems to be on a glide path to confirmation — and doesn’t need GOP votes to get there — the stakes are still high for her hearings, among Democrats and Republicans alike.

“I hope at the end of the day, people say ‘that was...