Rome wasn’t built in a day and you can’t see all of it in a day. But if you have just a weekend or a few days for the Città Eterna? You’ll read hundreds of travel guides and a million tips on blogs and forums, most of them accurate in their own way. Here is the extra-intel you need to navigate Rome with your sanity intact – and actually enjoy it. INTEL ONE: THE ICONS Let’s cut to the chase. You are in the most magnificent city that has ever ruled the world and there are quite a few heavy hitters you absolutely can’t skip. Stand in the shadow of…