Amazon is mandating that corporate workers return to the office five days a week, CEO Andy Jassy said in a note on Monday.The return-to-office mandate is a sharp change from its current hybrid policy, which requires employees to work from the office at least three days a week. Amazon employees will have until Jan. 2 to switch to the new policy. 3 CEO Andy Jassy detailed the return-to-office mandate in a note Monday. Charles Wenzelberg / New York PostAmazon will also be streamlining its corporate structure ...