We begin today’s roundup with Joseph Schatz and Ben White at POLITICO on the shock vote in favor of a Brexit: British voters didn’t just shock the world and the financial markets by voting to leave the European Union hours ago: They also ignored President Barack Obama, handed Hillary Clinton a potential economic burden and injected new energy into the populist currents roiling politics on both sides of the Atlantic. [...] But make no mistake: A Brexit represents nothing less than the partial splintering of the world’s largest political union and trading bloc — an $18 trillion economy.