Rehabilitating Macbeth

Apparently inspired by the exhumation and identification of Richard III, there has been a call from a Member of the Scottish Parliament to re-examine and revise the Shakespearian view of Macbeth. This has provoked all kinds of comment, some of which you can see here http://www.bbc.co.uk/news/uk-scotland-scotland-politics-21421001, here http://www.bbc.co.uk/news/uk-21483159 and here http://www.guardian.co.uk/commentisfree/2013/feb/15/rehabilitate-macbeth-scotland-shakespeare?INTCMP=SRCH. That the Shakespearian image …