The author is a Reuters Breakingviews guest columnist. The opinions expressed are his own.
It looks like Alexis Tsipras is crumbling.
After the banks closed and public opinion started moving against him, the Greek prime minister seems desperate for a deal with his creditors. Athens has now defaulted to the International Monetary Fund, adding to the pressure. But it is not clear lenders will cut him any slack. They may prefer to deal with his successor.