Somewhere in the heavens above Amarillo, angry shouts rang out from the back of Southwest Airlines Flight 3683. “You’re all going to die,” a man dressed in black screamed at passengers Tuesday afternoon. “You’re all going to hell. Allahu Akbar,” translated as God is great in Arabic. Federal authorities arrested Ali Reza Shahsavari, 29, of Indialantic, Fla., onboard the Boeing 737 after pilots made an emergency landing at Rick Husband Amarillo International Airport at 3:30 p.m. He is being held in the Randall County jail on a federal charge of interfering with a flight crew. None of the 136 passengers...