As the Conservative leader showed this week, what sells online is salacious fiction delivered with a side of snark. The new laws of digital politics are a disgrace, but they're effective.According to the old laws of politics, when an opponent is beating himself, you step out of the way and watch him go to town. Why, then, does Pierre Poilievre watch Justin Trudeau repeatedly self-harm, then choose to dump his own mess on the floor?