Question: List the states where both the secretary of 'Treasury' department and the secretary of 'Homeland Security' were born.
SQL: SELECT T3.born_state FROM department AS T1 JOIN management AS T2 ON T1.department_id  =  T2.department_id JOIN head AS T3 ON T2.head_id  =  T3.head_id WHERE T1.name  =  'Treasury' INTERSECT SELECT T3.born_state FROM department AS T1 JOIN management AS T2 ON T1.department_id  =  T2.department_id JOIN head AS T3 ON T2.head_id  =  T3.head_id WHERE T1.name  =  'Homeland Security'