According to today's newspaper, the Rosetta Stone Cafe will open on Monday, January 7. The restaurant is located at 110 Federal Plaza West.
According to the one of the commenters on this Shout Youngstown blog,
http://shoutyoungstown.blogspot.com/2008/01/fourth-look-at-rosetta-stone.html#links
they aren't supposed to open until late this week. ???
Last night, they had a sign out front that said they would be open today. I didn't catch the hours. I thought they might have the sign out this morning, but they didn't yet. I'm fairly sure they will be open for lunch, though.