talking head

Etymology
Probably from the fact that when a pundit is speaking on television, the camera often zooms in on his or her head.

Noun

 * 1)  A journalist or pundit, especially one on television, who presents or discusses issues of the day.

Translations

 * Chinese:
 * Mandarin:
 * Finnish: uutiskommentaattori, puhuva pää
 * German: Redenschwinger, Fernsehkommentator
 * Polish: gadające głowy
 * Russian: