Todd Spangler NY Digital EditorJeff Blackburn, a former high-level Amazon exec who just recently left after more than two decades, is coming back — in a newly created role, giving him oversight over a consolidated media group.The new appointment was announced internally Thursday by Andy Jassy, currently CEO of Amazon Web Services (AWS), who is set to succeed Jeff Bezos as Amazon CEO in the third quarter.Blackburn “has decided to return to Amazon as SVP of a new Global Media & Entertainment