If Iran is able to obtain a nuclear weapon, Saudi Arabia will seek to acquire one as well, the kingdom’s crown prince declared Wednesday. Crown Prince Mohammed bin Salman expressed “concern” about the possibility of a nuclear Iran, a longtime rival of Saudi Arabia, during a wide-ranging interview with Fox News host Bret Baier. “Well, we are concerned [about] any country getting a nuclear weapon. That’s a bad move,” Salman said. “You don’t need to get a nuclear weapon because you can’t use it even if you can get a nuclear weapon.” The crown prince argued that if Iran is...