“How, when and the substance of this came directly from Hunter,” a source familiar told The Daily Beast. “The campaign did not arrange this, but Hunter has been increasingly under attack in personal and vicious terms for the past couple of weeks from the president—all based on lies—and he made the decision to speak.”

Rival campaigns weren’t so sure.

“This is insane that they would do it,” a senior adviser to a Democratic opponent said…

“Everyone else had laid off of Joe Biden,” the senior adviser added. “Now that’s all gone. I would bet $100 it’s the first question. If it is, it’s a major disaster.”

“Why even put it out there to answer for that?,” another rival campaign aide asked. “Now it’s fair game that a moderator can bring it up.”