If you're on social media, you've probably seen the video of California Senator Kamala Harris waving to someone off camera before putting her hand over her chest. It's become a pretty versatile ...

Kamala Harris addresses viral meme of her waving, saying it was a "heartbreaking" moment as she was denied entry to child migrant detention center.

The animated finger-waving does resemble the gesture of an annoyed restaurant-goer who has sadly been forgotten by the waiter. The only difference is that Bernie's finger wag is fierce enough to ...