These men tried a period pain simulator. Their wild reactions carry an important message.

OTTAWA — Prime Minister Mark Carney said on Thursday that one of his MPs was the victim of a suspected arson, which he called a “cowardly act of violence and intimidation,” in a social media post . Liberal MP Salma Zahid, the MP for Scarborough Centre-Don Valley East, said in a statement that an unidentified individual set fire to her car and another vehicle overnight. “It is unacceptable. It is not who we are as Canadians,” wrote Carney. The prime minister said he was relieved that Zahid and her family weren’t harmed. The MP and her family were at home during the incident and...