By Ed Dove NICE, France (Reuters) - England's shock defeat by Iceland in Nice and subsequent Euro 2016 exit on Monday suggested that the British government isn't the only national institution threatened with a leadership vacuum. Roy Hodgson's post-match resignation leaves the Football Association searching for a successor, but the national team's crisis of authority stretches beyond the dugout following another characterless display lacking in the mental qualities that have underpinned England's greatest football achievements. "We haven't got leaders," former winger Chris Waddle told the BBC in the immediate aftermath of England's inglorious exit. More...