Mr. Carney put an arm around him and later, playfully, a full-body hug. After all, Ottawa is Hollander’s birthplace (although Mr. Williams himself is from British Columbia). Since “Heated Rivalry” debuted on Crave, a Canadian streaming service, (and on HBO Max elsewhere) the entertainment industry has been trying to decode its dizzying success. In Ottawa on Thursday, Mr. Carney drew as many cheers as Mr. Williams, a testament to his own political star having a moment. The post The Secret Sauce in ‘Heated Rivalry’?