Democrat presidential candidate Joe Biden has made a push-up challenge to President Trump:

Not to be outdone, Robert Francis “Beto” O’Rourke is prepping not only himself, but his staffers, just in case a push-up throwdown breaks out at any time:

If Trump accepts Biden’s push-up challenge, O’Rourke will be ready for a counter-challenge, and so will his staff. Well, a little bit anyway.

Can we take a guess?

The Dem field can narrow itself down any time now — it’s well past time.