Mark Gilbert , Columnist

Broken Britain's Uncertain Future

The divisions revealed by the EU vote will be hard to heal.

The gray vote won the day.

Photographer: LEON NEAL/AFP/Getty Images
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The divisions revealed by Britain's vote to leave the European Union make for a domestic outlook that's just as uncertain as the nation's international future. Here are some of the known unknowns facing the U.K. in the wake of Thursday's referendum:

Conservative party elections are often violent affairs, and the forthcoming selection battle is likely to be particularly bloody between pro- and anti-Europeans. Johnson, who campaigned to leave the EU, is the 11/8 favorite, which gives him about a 42 percent chance of victory and means a $1 bet would win you a $1.38 profit: