LITTLE ROCK (AP) -- Several national and state mental health, legal and gay-rights groups will get their arguments heard by the state Supreme Court as the justices consider whether homosexuals can serve as foster parents in Arkansas. A state judge said in 2004 that it was unconstitutional for the Child Welfare Agency Review Board to bar homosexuals from serving as foster parents. Justices on Thursday accepted four friend-of-the-court briefs filed on behalf of 18 groups wishing to weigh in. The briefs expand on scientific, legal and social issues raised during a trial held before Pulaski County Circuit Judge Tim Fox....