Emily Compagno’s career path is one that, at first glance, might appear scattered, even improbable. She has been a practicing attorney, a captain on the Oakland Raiders cheerleading squad, and now, a familiar face as co-host of Fox News’ midday program Outnumbered. To some, the résumé looks like a patchwork stitched together from unrelated pursuits. Yet when Compagno reflects on...