my wife and i plan to tour france in the summer of 2013, what places in france should we visit, especially in paris
Go to the library and get a pile of guide books, read them, look at maps and train schedules, decide what places interest you and make hotel reservations.
Are you interested in World War II, then you might want to see the beaches in Normandy. Do you love medival history? Then consider Mont St Michel and the Loire valley. Paris has so much to see and do that you might want to give yourself extra time there. As the other posters have stated. Get some good guide books to start your research and then come back with more specific questions.
It would be helpful to know how long you will be there and what your interests are. Or, you can just get Rick's books and go from there. In Paris, the list can go on forever.
we plan on being in france for 2 weeks including 3 days in paris
Not going to get many answers without sharing with us what you like to see and do. ALL the must see sites? Shopping? History? Food and Wine? Galleries and Museums? Nature? Will you rent a car? Use only public transport? Any mobility issues? My first suggestion is to get a copy of Rick's book on France and read it. Will help you decide what and where you might want to see and do.
we like museums, history, shopping, food, we will be taking public transportation
No one can plan your trip for you. It's up to you to read some guidebooks and see what is of interest to you. After you have some ideas you can come back here for further advice. If you don't want to make those decisions I suggest you take a tour. In that case all you have to do is show up.
If you're going to be w/o a car the whole time, I'd suggest you stick to cities. Train and bus service in rural France is usually pretty poor. We did stay in rural Provence for a week and also Alsace for a week w/o a car, but I found we often wasted a lot of time because of poor bus connections. I would suggest considering Lyon, Strasbourg, Nimes, Montpellier, Bordeaux among possible cities. You can get to all of them fairly easily from Paris, although not necessarily so easily between them. Also spend more time in Paris, since there's so much there and plenty of easy day trips.