Berlin Mayor Kai Wegner and Education Senator Katharina Günther-Wünsch announced through a lawyer on Friday that they had entered into a relationship, confirming earlier media reports. The lawyer, Christian Schertz, told dpa that the couple had decided to start a relationship in the autumn of last year and had asked him “to confirm this for reasons of transparency to ensure clarity for all involved in their professional work.” Schertz noted that the arrangement did not contravene any legal provisions. He added that they would strictly separate their private and professional lives in carrying o…