Dr. Oz shifts strategy as campaign ails

Mehmet Oz sees an opening to rescue his floundering Senate campaign: After largely refraining from making his opponent’s health an issue, the celebrity doctor has decided to go there.

Oz’s Democratic opponent, John Fetterman, suffered a stroke in May and since then, has largely avoided public events and been noncommittal about debates. Instead, he’s been relentlessly trolling Oz on social media and dominating the airwaves with campaign ads. Meanwhile, Oz has struggled to consolidate support from the conservative base, despite former President Donald Trump’s endorsement.

Until now, Oz — a...