As cameras rolled, Kaptur reached out her balled-up hand to the future VP candidate for a fist bump. Vance responded ... He ...

On a nearby video screen, Temple saw her first batch of “Fist Bumps” in the form of digital photos featuring smiling department team members and short descriptions of ways they helped colleagues.

I was in a car dealership, and every employee I encountered extended a hand to me, expecting me to shake it ... in less formal situations, a fist bump -- Miss Manners will allow it.