The wife of the Army soldier who blew up a Tesla Cybertruck outside the Trump International Hotel in Las Vegas Wednesday broke up with him six days before he killed himself inside the vehicle, according to law enforcement sources. Matthew Livelsberger, 37, left his Colorado Springs home the day after Christmas following an argument with his wife over apparent infidelity, two sources familiar with the investigation told The Post. His wife — who had a baby daughter with Livelsberger — reportedly told him that she knew he had been cheating, the sources said. After leaving Colorado, Livelsberger rented a Cybertruck...