Facebook is putting out tips on how to spot it, but could the British Election be the next to feel its impact . I am katty kay in new york, Christian Fraser is in paris. It is an extraordinary achievement. Not since the days of napoleon has a frenchman risen to power so young and with such speed. Not since world war ii has a leader taken power without a party and a parliamentary base. There were very few in the established Political Class who endorsed Emmanuel Macron or believed in his bid to become president , but president he will become this sunday when he assumes power from francois hollande. He has already resigned his leadership of the movement he began a year ago. It will now be re named La Republique en marche. Politicians from right and left will be allowed to campaign under its banner in next month crucial parliamentary elections, so long as they quit the parties to which they belong. The President Elect says he wants a coalition of the willing. Starting our coverage, our eur