1. The news section is added for instructor, patient and subscriber user roles and these roles are in use. Have a look at the screenshot: https://prnt.sc/wq_CV34IgMP4
2. This is how it is showing right now as per the requirement https://prnt.sc/8ZR_BUPUYLqN With no experts only post title hyphen post date and font is italic.
3. User can Pinned post, and those posts were added in the above section named “PINNED POSTS”. And also user can unpinned the post.