The political fog is beginning to clear in London.
Prime Minister Theresa May is close to a customs solution she believes will pass muster with both Brexiteers and Remainers in her own party. Now she just has the Democratic Unionist Party, the House of Commons, the Irish government and the rest of the EU to get on side.
The problem is, nobody appears to have walked back from their respective red lines.
“The UK will be leaving the Customs Union, as we’re leaving the European Union,” Ms...