I study here <a href=" http://www.memories-book.co.uk/blog/essay-on-islam/#harp ">master's degree thesis</a> BRUSSELS, July 10 (Reuters) - Europe overhauled the rulescovering state aid to struggling banks on Wednesday, in a majorpolicy shift that will put the burden on shareholders and juniordebtholders when it comes to restructuring an unstableinstitution.