Melenchon's party (almost 20% of the first round vote) was extreme left but anti-EU. So a whole bunch of them can't vote for Macron. Similarly an even bigger bunch of them can't vote for Le Pen. A polarized election with more than two poles. Lots of reasons for punch ups. 5/6/17
vap·id
ˈvapəd/
adjective
offering nothing that is stimulating or challenging.
"tuneful but vapid musical comedies"
synonyms: insipid, uninspired, colorless, uninteresting, feeble, flat, dull, boring, tedious, tired, unexciting, uninspiring, unimaginative, uninvolving, lifeless, tame, vacuous, bland, trite, jejune
"a tuneful but vapid musical comedy" 5/5/17