"I wanted to just take the opportunity to ask people ― really, to beg people ― to come forward," the NBC journalist pleaded. NBC journalist Savannah Guthrie became visibly emotional on air Tuesday as new details in the January disappearance of her mother, Nancy Guthrie , were unveiled. The “Today” co-anchor made a brief appearance toward the end of a segment that revealed the contents of a ransom note sent to local media outlets in Arizona not long after her mother’s disappearance. “This is