Britain’s Brexit-vote fueled split with the EU is officially underway. “In one of the most significant steps by a British leader since World War Two, May notified EU Council President Donald Tusk in a hand-delivered letter that Britain would quit the club it joined in 1973.” (Nice that they still use hand-delivered letters. In America, we handle such matters with Tweets.) The breaking up process is expected to be completed within two years.

+ ” I hereby notify the European Council in accordance with Article 50(2) of the Treaty on European Union of the United Kingdom’s intention to withdraw from the European Union.” Here’s the full text of Prime Minister Theresa May’s letter. (And here’s the short version: Sorry, she’s just not that into EU.)

+ Bloomberg: These are the numbers behind the thorniest issues for Brexit negotiators.