re·hash 
(rē-hăsh)
(rē-hăsh)tr.v. re·hashed, re·hash·ing, re·hash·es
1. To bring forth again in another form without significant alteration: a book that rehashes old ideas.
2. To discuss (the details of a past event).
n. (rēhăsh′)
The act or result of rehashing: a rehash of an old plot.