Now comes the hard part. Prime Minister Alexis Tsipras may have won a victory at home on Sunday as the Greek people dealt a resounding “no” to European austerity policies. But Greece risks paying a high price for that decision. While the vote sharply consolidated Mr. Tsipras’s popularity, that could fade quickly if he leads the country deeper into bankruptcy and financial chaos, creating a new round of instability with consequences for Greece and the broader European project. If anything, Mr. Tsipras is likely to find it harder, rather than easier, to strike a new financing deal quickly with European creditors, heightening the risk that Greece will careen out of the eurozone unless Europe decides to give Mr. Tsipras and his defiant nation […]