So, this is happening while Donald Trump is trying to give his economic speech at a rally in Detroit.

Perhaps; many on Twitter seem to agree. A couple of examples:

Well, that is an evergreen truth about Democrats, really.

Here’s video of one of them:

Reportedly, most if not all of the protestors are women.

Heh. Even protestors have to admit that’s kinda funny.

A prediction:

Hmmm. Stay tuned … wait! No need; It’s already begun:

Predictable.