PETERS: Facing caucus revolt, Justin Trudeau could learn from Joe Biden [Video]

Eventually, he did — and just in the nick of time.

Any later, and the shift to Kamala Harris as the candidate would have been too difficult for the party to make.

Harris brought an entirely different level of energy and enthusiasm to the U.S. race and is making Donald Trump an absolute ragdoll. The two aren’t even on the same planet most days.

Rather than look like the doddering senior running against another doddering senior, Biden looks like the graceful statesman.

For Trudeau, that call from inside the house is still relatively quiet. A few dozen MPs is far from a full-blown caucus revolt. It would be unwise for him to let it get there.

Speaking of two different planets, Western Canada has held a general distaste for Trudeau as a person and as a prime minister for years now.

In vote-rich Ontario and Quebec, the turn has been …