LOS ANGELES — Merv Griffin, the big-band-era crooner turned impresario who parlayed his "Jeopardy" and "Wheel of Fortune" game shows into a multimillion-dollar empire, died Sunday. He was 82.

Allegra and Claritin are both allergy medications, helping relieve symptoms like sneezing, a runny nose, or itchy eyes. But the active ingredients in each are different. Allegra contains ...