PM May tightens grip over Brexit talks, appoints official as EU adviser

By Kylie MacLellanLONDON (Reuters) - Prime Minister Theresa May appointed the top official at the Brexit ministry as her EU adviser on Monday, taking tighter control of divorce negotiations just as Britain tries to shift the focus of talks onto the future relationship with Europe."In order to strengthen cross-government co-ordination of the next phase of negotiations with the European Union, the Prime Minister has appointed Oliver Robbins as her EU Adviser in the Cabinet Office, in addition to h