Piers Morgan is fighting for his job as CNN bosses look to revamp the beleaguered network’s prime time line up. June saw Piers drag the channel’s viewing figures to a 21-year low, while ratings plummeted again last month. Now, according to reports, CNN chiefs have put him on probation:

“Anderson Cooper — CNN’s only claimant to real TV star power — appears to be the only one safe in the network’s primetime lineup, say those who have talked with programming officials there.”

 The pressure is on…