Renders a list of newsletter stories.
Supports these attributes (defaults shown) :
‘number’, 10
‘numberposts’, 10
‘show_author’, false
‘show_date’, true
‘show_comment_count’, true
‘orderby’, ‘post_date’
‘order’, ‘DESC’
‘newsletter_id’
‘term_id’
‘all’, false
‘post_status’, ‘publish’
See http://codex.wordpress.org/Template_Tags/get_posts for details on supported values for these attributes.