By Gabriela Baczynska BRUSSELS (Reuters) - The European Union's interior ministers will try late on Thursday to bridge deep divisions over how to handle refugees and migrants, but a proposal by the bloc's current president Slovakia has already drawn an angry response from Italy. A deal between the EU and Turkey has sharply cut the number of migrants entering Europe via Greece this year, but the numbers trying to cross from Africa to Italy continue to rise and tens of thousands more remain holed up in detention centres, waiting to be relocated among the bloc's member states. ...