HARTFORD, Conn. -- The state Board of Education stepped in Wednesday to defend a law that prohibits teachers from having sex with students. The board voted unanimously to ask state Attorney General Richard Blumenthal to file a legal brief on its behalf opposing a court challenge by a New Haven teacher convicted of having sex with two students, ages 16 and 17. The case, which is before the state Supreme Court, questions the constitutionality of a state law that bans teachers from sexual contact with students even if they are older than the age of consent, which is 16. The...