1. You can try to work with permissions - you can set permissions for your categories and tags. This will limit the categories that are not relevant for some users - For instance, you have users that enter "Sport News" and other users that enter "Science news"
2.Generally you could create a custom taxonomy and use custom fields to assign your custom taxonomy to your content items.
the Telerik team
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Public Issue Tracking
system and vote to affect the priority of the items