Commentary In the Canadian province of Alberta, Christian pastor Artur Pawlowski recently defied government health rules to hold a church service. Police responded by placing the Polish immigrant under arrest, and according to one account, a SWAT team forced Pawlowski to kneel in the center of a busy highway. Those who find this conduct puzzling might contrast police tactics during a mass shooting in Canada. On the morning of April 18, 2020, Nova Scotia denturist Gabriel Wortman began shooting people at random. An active shooter normally draws an emergency alert sent to phones and announced on television and radio. With Wortman, that didn’t happen. Police chose to warn the public through Twitter, which Royal Canadian Mounted Police (RCMP) Chief Superintendent Chris Leather claimed was “instantaneous” and “a superior way to communicate this ongoing threat.” Many Nova Scotians don’t use Twitter and had no clue what was going on. By the …