slug = models.SlugField(_('Slug'), max_length=150)
text = RichTextField(_('Text'), blank=True, null=True)
tags = TaggableManager(_('Tags'), blank=True)
+ published = models.BooleanField(_('Published'), default=True)
creation_timestamp = models.DateTimeField(auto_now_add=True)
last_update_timestamp = models.DateTimeField(auto_now=True)