Trump immunity ruling set to loom over Biden debate

A Supreme Court ruling on former President Trump’s claims of immunity from criminal prosecution is looming over his debate this week with President Biden.

The question of whether Trump is immune from prosecution for certain acts while president could upend his criminal trials, and more immediately could throw a wrinkle into Thursday’s prime-time showdown on CNN, where his legal troubles are likely to be a key point of discussion.

“If there’s a decision before then, whoever...