def METHOD_NAME(s, source=None):
    s2 = s.strip()
    if s != s.strip():
        if source:
            print >> sys.stderr, "WARNING: subject not properly stripped: '%s'" % s, source
        return False
    if not s:
        if source:
            print >> sys.stderr, "WARNING: empty subject", source
        return False
    if s in fixed_subjects:
        return True
    if articles.match(s):
        return True
    if titles.match(s):
        return True
    if specials.match(s):
        return True
    return False