Can Europe switch gears? Growing calls for a 'multi-speed' E.U. (part 2)

With Putin to the East, Trump to the West and Brexit on the way, the leaders of Germany, Italy and Spain came together at the Palace of Versailles at a mini-summit hosted by France's president. Do the continent's four biggest powers choose the option of putting European integration into overdrive with much closer ties on defense, trade and a common view on borders? When the dust settles, what will the EU look like?