Kristi Noem is suddenly front-and-center in the veepstakes

Not long ago, it looked like Kristi Noem’s star was flaming out. Following a turbulent first term, the South Dakota governor elected not to run for president, and the media turned its focus elsewhere.

But if the 2024 primary is in part a tryout to be former President Donald Trump’s next running mate, Noem’s national standing appears to have been rekindled. She’s suddenly front-and-center in the veepstakes.

Noem is running a $5 million national ad blitz — a taxpayer-funded effort backed by Covid aid designed to lure more workers to South Dakota, but...