Open this photo in gallery: Former Bank of Canada governor Mark Carney waves next to his wife Diana Fox after winning the race to become leader of Canada's ruling Liberal Party, in Ottawa on March 9.Blair Gable/Reuters Next up Re “Mark Carney faces immediate tests in U.S. relations as election looms” (March 10): Surely the worst tactic of right-wing parties everywhere is the relentless focus on the negative: attack, insult and blame, all at noise levels designed to elicit anger and fear. In its most extreme expression, we see disruption and chaos that distracts from the ignorance, lies and incoherence...