you could do this with data assist, html editor and security assist.
use data assist to create the pages to add the new articles to the database, security assist to protect those pages and HTML editor to add advanced editing capabilities.
to display the news articles to the web user, create a results and detail page in the data assist wizard.
set the results page to only show one record at a time.
you will need to add your own code to limit the text out put on the results page.