Free speech or discrimination? Conservative business owners shouldn't blur that line.

JEDDAH, SAUDI ARABIA — As the military band of the Saudi royal household belted out a rendition of Canada’s national anthem, Prime Minister Mark Carney said he was thrilled. “They have not played ‘O Canada’ for 26 years… And I was very proud,” Carney said of his whirlwind visit to Saudi Arabia this week, which marked the first time a Canadian prime minister had set foot in the country in over a quarter-century, and comes after recent years of strained relations. He said he complimented Mohammed bin Salman, the Saudi crown prince and de facto leader, on the “absolutely flawless”...