Back in February Guido told you Theresa May was considering Article 50 day as the cut-off date for EU citizens’ right to remain in the country. Well, tonight May has announced that the 3 million EU citizens in Britain on Article 50 day, March 29, can stay with access to schools, hospitals etc. The final cut off date has been left open and could be any date up to the point Britain leaves the EU, meaning it is on the table pending the rest of the negotiations. But any EU citizen here on Article 50 has the right to remain. An open and generous offer…