DOSWELL, Va. — Officials in the county where the remains of suspected Boston Marathon bomber Tamerlan Tsarnaev have been buried say they were stunned to learn of the burial and they are looking into whether the law was followed in the process. “I’m sure that if no laws were broken ... there’s nothing we can do,” said Floyd Thomas, chairman of the board of supervisors of Caroline County. “What we would do is make sure that all of the laws regarding this particular burial were adhered to. If they were not, then I believe we would have to look at...