The sign-stealing scandal that embroiled the Red Sox this week appeared to explode out of nowhere with the departure of manager Alex Cora, but there were hints that something was brewing as far back as this fall.

On this week’s edition of Beat The Press, Emily Rooney was joined by Adam Reilly of WGBH News; former CNN White House correspondent Dan Lothian; Dan Kennedy of Northeastern University; and Callie Crossley of WGBH News.