My kids (ages 7 and 10) had two things and really only two things they wanted to do while in Paris. Climb the Eiffel Tower. (I wrote about that experience here.) See the Mona Lisa at The Louvre. I understand the Eiffel Tower, but I wanted to know how they knew about the Mona Lisa and where she lived. I could have made an educated guess where she’s hanging these days, but that’s not knowledge I store in my head. “Mooom! We learned that in school!” Thank goodness. There are days when I wonder if anything I say is sticking in their heads. WHAT’S THE BIG DEAL? The Louvre has seen…