Flagged items stay around forever (or until you unflag them). You can see all your flagged items at once by showing the special flagged-items subscriptions.
When you have selected a news item you want to flag, choose .
Tip: you can add a mark-as-flagged toolbar item. Choose to add it
Flagged items appear with a little flag in the flag column.
A special subscription displays all your flagged items at once.