A former music pastor in Ohio who appeared briefly on “American Idol” was set to be sentenced Monday after a jury convicted him of murdering his wife while he was having an affair. Prosecutors said Caleb Flynn, 40, staged a home invasion in February after shooting Ashley Flynn, a 37-year-old schoolteacher and volleyball coach. Flynn claimed she was killed by a burglar. With tears rolling down his cheeks, Flynn addressed the courtroom ahead of the sentencing and apologized to his family, starting with his two daughters. “I made vows to Ashley on our wedding day. I failed in those vows,”...