Who takes a carry-on to cobblestone-street-filled Italy? Trying to keep a smile on my face whilst dragging this contraption around. No one. No one in the entire world. Oh... hold on. .. Me. I do. Silly, ridiculous, " not-thinking " me. Of all the places I could've chosen NOT to bring a backpack, I chose Europe … and instead, opted for this roly-poly-ollie, carry-on. Big mistake. BIG . Huge. The only time I will ever succumb to rolling luggage again is if I have some kind of w