Can you go to Europe with just a carry-on? Yes By Kelly Hockenberry, Columnist, The Times As I sit down to write, there are a mere 48 hours until my husband and I board a plane for our BIG anniversary trip!  I have a half-dozen (or more) lists going all at once.  We are bringing carry-on luggage to save the hassle of waiting for our bags (or, even worse, having it lost altogether). How is it...