From the Dashboard:
Step 1:  Select "News"

Step 2:   Select "Settings"
Step 3:  Select "Feeds"
Step 4:  Select the “Twitter Feeds” tab and  click "+ New"
Step 5:  Enter "Twitter Username" and click "Test Connection"
 
Uncheck "Create News Item" if this feed should not create a news item in the app
Uncheck "Create Push Notification" if this feed should not create a push notification for the app
Step 6:  Click “Ok”